APA (7e ed.) Bronvermelding
Wanlass ,lawrence c. (1956). Gettel's history of political thought (2nd ed.). Surjeet publications.
Chicago (17e ed.) Bronvermelding
Wanlass ,lawrence c. Gettel's History of Political Thought. 2nd ed. New Delhi: Surjeet publications, 1956.
MLA (9e ed.) Bronvermelding
Wanlass ,lawrence c. Gettel's History of Political Thought. 2nd ed. Surjeet publications, 1956.
Let op: Deze citaties zijn niet altijd 100% accuraat.