APA-referens (7:e uppl.)

Ponton, G. (1982). Introduction to politics. B. Blackwell.

Chicago-referens (17:e uppl.)

Ponton, Geoffrey. Introduction to Politics. Oxford: B. Blackwell, 1982.

MLA-referens (9:e uppl.)

Ponton, Geoffrey. Introduction to Politics. B. Blackwell, 1982.