Παραπομπή APA

Goldstein, J. S. (2006). International relations (6th ed.). Pearson education.

Παραπομπή Chicago Style

Goldstein, Joshua S. International Relations. 6th ed. New Jersey: Pearson education, 2006.

Παραπομπή MLA

Goldstein, Joshua S. International Relations. 6th ed. Pearson education, 2006.