Παραπομπή APA

Goldstein, J. (1999). International relations (3rd ed.). Longman.

Παραπομπή Chicago Style

Goldstein, Joshua. International Relations. 3rd ed. New York: Longman, 1999.

Παραπομπή MLA

Goldstein, Joshua. International Relations. 3rd ed. Longman, 1999.