APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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