Bennagen, P. d. C. (2002). A study guide to social, economic and political thought. University of the Philippines Open University.
Chicagoスタイル(17版)引用形式Bennagen, Pia del Campo. A Study Guide to Social, Economic and Political Thought. Quezon City: University of the Philippines Open University, 2002.
MLA(9版)引用形式Bennagen, Pia del Campo. A Study Guide to Social, Economic and Political Thought. University of the Philippines Open University, 2002.
警告: この引用は必ずしも正確ではありません.