Padilla, R. A. (2008). Philosophy made simple: A textbook on introduction to philosophy (Revised edition.). Books Atbp. Publishing Corporations.
Chicago Style (17. basım) AtıfPadilla, Reynaldo A. Philosophy Made Simple: A Textbook on Introduction to Philosophy. Revised edition. Mandaluyong City: Books Atbp. Publishing Corporations, 2008.
MLA (9th ed.) AtıfPadilla, Reynaldo A. Philosophy Made Simple: A Textbook on Introduction to Philosophy. Revised edition. Books Atbp. Publishing Corporations, 2008.
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