Stewart, D., & Blocker, H. G. (2006). Fundamentals of philosophy (6th ed.). Prentice Hall.
Chicago Style aipamenaStewart, David, and H. Gene Blocker. Fundamentals of Philosophy. 6th ed. Upper Saddle River, N.J: Prentice Hall, 2006.
MLA aipamenaStewart, David, and H. Gene Blocker. Fundamentals of Philosophy. 6th ed. Prentice Hall, 2006.
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