Cruz, I. A. (1982). Philippine political law. Central Lawbook.
Chicago (17e ed.) BronvermeldingCruz, Isagani A. Philippine Political Law. Quezon City: Central Lawbook, 1982.
MLA (9e ed.) BronvermeldingCruz, Isagani A. Philippine Political Law. Central Lawbook, 1982.
Let op: Deze citaties zijn niet altijd 100% accuraat.