Martin, C. E. The orbit of political science. Philippine Political Science Journal.
Chicago (17e ed.) BronvermeldingMartin, Charles E. "The Orbit of Political Science." Philippine Political Science Journal .
MLA (9e ed.) BronvermeldingMartin, Charles E. "The Orbit of Political Science." Philippine Political Science Journal, .
Let op: Deze citaties zijn niet altijd 100% accuraat.