APA استشهاد

Krieger, J. (1993). The Oxford companion to politics of the world.

استشهاد بنمط شيكاغو

Krieger, Joel. The Oxford Companion to Politics of the World. New York, Oxford University Press, 1993.

MLA استشهاد

Krieger, Joel. The Oxford Companion to Politics of the World. 1993.