GETTELL, R. G. (1967). Political science. Ginn.
Tohutoru Kātū Chicago (17th ed.)GETTELL, Raymond Gurfield. Political Science. Boston: Ginn, 1967.
Tohutoro MLA (9th ed.)GETTELL, Raymond Gurfield. Political Science. Ginn, 1967.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.