2. Audi, Robert (ed.), (1999) The Cambridge Dictionary of Philosophy, Cambridge University Press, Second Edition.
3. Bunnin, Nicholas and jiyuan Yu, (2009) the Blackwell Dictionary of Western Philosophy, A John Wiley & Sons, Ltd., Publication, UK.
4. Dancy, Jonathan, Ernest Sosa, and Matthias Steup. (ed.), (2010) A Companion to Epistemology, Blackwell Publishing Ltd.
5. Hamilton, Andy, (2014), Routledge Philosophy Guidebook to Wittgenstein and On Certainty, Routledge Philosophy GuideBooks, Routledge.
6. James William, (1897), << The Will to Believe>>, New York: Longmans Green & Co. (From Pojman, Philosophy of Religion)
7. Lippert‐Rasmussen, Kasper, Kimberley Brownlee and David Coady (2017) A Companion to Applied Philosophy, John Wiley & Sons, Ltd, UK.
8. Magee, Bryan, (2001), Story of Philosophy, DK, PUBLISHING, INC.
9. McIlhenny, Ryan, (2007) Academic Journals Database, »The Postmodern Condition as a Religious Revival: A Critical Review of William Connolly’s Why I am Not a Secularist« ..., journaldatabase.info › journal › issn1449-775.
10. Peterson, Michael & others (2014), Philosophy of Religion: Selected Readings 5th Edition, Oxford University Press, New York.
11. Plantinga, Alvin & Michael Bergmann, (2015) Religion and epistemology, Routledge Encyclopedia of Philosophy, version2, Doi: 10.4324/9780415249126-K080-2.
12. Plantinga, Alvin & Nicholas Wolterstorff, (2004) Faith and Rationality, University of Notre Dame, the United States of America.
13. Plantinga, Alvin, (1993) Warrant: The Current Debate, print ISBN 0195078624, Doi: 10.1093/01950786224.001.0001.
14. Plantinga, Alvin, (1987) <>, From Pojman, Louis P. Philosophy of Religion_ An Anthology, Wadsworth, Inc. California, 1987.
15. Plantinga, Alvin, (1981) Is Belief in God Properly Basic? Noûs, Vol. 15, No. 1, pp. 41-51, Published by: Wiley.
16. Pojman, Louis P. (2008) Philosophy of Religion_ An Anthology, Thomson Higher Education, fifth edition, Printed in the United States of America.
17. Popper, Karl R., (1994) The Myth of the F r a m e w o r k, In defense of science and rationality, Routledge, London.
18. Provenzola, A. Thomas, (2000) »The Rationality of Religious Belief in a Postmodern Age«, A Dissertation at Trinity International University, Deerfield, Illinois.
19. Proudfoot, Michael, (2010) The Routledge Dictionary of Philosophy, Routledge, London and New York, Fourth Edition.
20. Taylor, Charles, (2003) Varieties of religion today: William James Revisited, Harvard University Press, United States of America.
21. Van Hook, Jay M. (1996), << Knowledge, Belief, and Reformed Epistemology>> from Philosophy of Religion: Selected Readings, Michael Peterson & others, Oxford University Press, New York.
22. Wainwright, William, (1988) Philosophy of Religion, Wadsworth Publishing Company, Belmont, California.
23. Wainwright, William, (2005) The Oxford Handbook of Philosophy of Religion, Oxford University Press, Inc. New York.
24. Wittgenstein, Ludwig, (1969), On Certainty, Edited by G. E. M. Anscombe and G. H. von Wright, Translated by Denis Paul and G. E. M. Anscombe, Basil Blackwell, Oxford.