APA-referens (7:e uppl.)

Hague, R., & Harrop, M. (2010). Comparative government and politics: An introduction (8th ed.). Palgrave Macmillan.

Chicago-referens (17:e uppl.)

Hague, Rod, och Martin Harrop. Comparative Government and Politics: An Introduction. 8th ed. New York: Palgrave Macmillan, 2010.

MLA-referens (9:e uppl.)

Hague, Rod, och Martin Harrop. Comparative Government and Politics: An Introduction. 8th ed. Palgrave Macmillan, 2010.