APA-viite (7. p.)
Wanlass ,lawrence c. (1956). Gettel's history of political thought (2nd ed.). Surjeet publications.
Chicago-viite (17. p.)
Wanlass ,lawrence c. Gettel's History of Political Thought. 2nd ed. New Delhi: Surjeet publications, 1956.
MLA-viite (9. p.)
Wanlass ,lawrence c. Gettel's History of Political Thought. 2nd ed. Surjeet publications, 1956.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.