Aruego, J. M. (1949). Principles of political science (5th rev. ed.). University Pub.
Chicago Style aipamenaAruego, Jose Maminta. Principles of Political Science. 5th rev. ed. Manila: University Pub, 1949.
MLA aipamenaAruego, Jose Maminta. Principles of Political Science. 5th rev. ed. University Pub, 1949.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.