University of the Philippines (Diliman). College of Arts and Sciences. Department of Philosophy. (1966). Western thought I: Readings in speculative thought. University of the Philippines.
Chicago-viite (17. p.)University of the Philippines (Diliman). College of Arts and Sciences. Department of Philosophy. Western Thought I: Readings in Speculative Thought. Quezon City: University of the Philippines, 1966.
MLA-viite (9. p.)University of the Philippines (Diliman). College of Arts and Sciences. Department of Philosophy. Western Thought I: Readings in Speculative Thought. University of the Philippines, 1966.
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