APA (7th ed.) Zitazioa

Isaak, A. (1987). An Introduction to politics. Scott, Foresman.

Chicago Style (17th ed.) Zitazioa

Isaak, Alan. An Introduction to Politics. London: Scott, Foresman, 1987.

MLA (9th ed.) Zitazioa

Isaak, Alan. An Introduction to Politics. Scott, Foresman, 1987.