Citazione Stile APA (7a Edizione)

Roskin, M. G., & By Berry , . N. . O. (2002). The New world of international relations (5th ed.). Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Roskin, Michael G., e Nicholas O. By Berry. The New World of International Relations. 5th ed. New Delhi: Prentice-Hall, 2002.

Citatione MLA (9a ed.)

Roskin, Michael G., e Nicholas O. By Berry. The New World of International Relations. 5th ed. Prentice-Hall, 2002.