Agpalo, R. E. (1978). Models of political systems and the Philippines. University of the Philippines Press.
Citazione stile Chigago Style (17a edizione)Agpalo, Remigio Escalona. Models of Political Systems and the Philippines. Quezon City: University of the Philippines Press, 1978.
Citatione MLA (9a ed.)Agpalo, Remigio Escalona. Models of Political Systems and the Philippines. University of the Philippines Press, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.