APA-referens (7:e uppl.)

Hague, R., & Harrop, M. (2001). Political science: A comparative introduction (3rd ed.). Palgrave.

Chicago-referens (17:e uppl.)

Hague, Rod, och Martin Harrop. Political Science: A Comparative Introduction. 3rd ed. New York: Palgrave, 2001.

MLA-referens (9:e uppl.)

Hague, Rod, och Martin Harrop. Political Science: A Comparative Introduction. 3rd ed. Palgrave, 2001.