APA-referens

Crane, G. T., & Abla, A. (1997). Theroetical evolution of international political economy (2nd ed.). Oxford university press.

Chicago-stil citat

Crane, George T., och Amawi Abla. Theroetical Evolution of International Political Economy. 2nd ed. New York: Oxford university press, 1997.

MLA-referens

Crane, George T., och Amawi Abla. Theroetical Evolution of International Political Economy. 2nd ed. Oxford university press, 1997.