Παραπομπή σε μορφή APA (7η εκδ.)

Bennagen, P. d. C. (2002). A study guide to social, economic, and political thought. University of the Philippines, Open University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bennagen, Pia del Campo. A Study Guide to Social, Economic, and Political Thought. Diliman, Quezon City: University of the Philippines, Open University, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bennagen, Pia del Campo. A Study Guide to Social, Economic, and Political Thought. University of the Philippines, Open University, 2002.