Padilla, R. A. (2008). Philosophy made simple: A textbook on introduction to philosophy (Revised edition.). Books Atbp. Publishing Corporations.
Cita Chicago (17th ed.)Padilla, Reynaldo A. Philosophy Made Simple: A Textbook on Introduction to Philosophy. Revised edition. Mandaluyong City: Books Atbp. Publishing Corporations, 2008.
Cita MLA (9th ed.)Padilla, Reynaldo A. Philosophy Made Simple: A Textbook on Introduction to Philosophy. Revised edition. Books Atbp. Publishing Corporations, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.