Cita APA (7th ed.)

Roskin, M. G., & Berry, N. O. (1999). IR: The new world of international relations (4th ed.). Prentice Hall.

Cita Chicago (17th ed.)

Roskin, Michael G., i Nicholas Orlando Berry. IR: The New World of International Relations. 4th ed. Upper Saddle River, N.J: Prentice Hall, 1999.

Cita MLA (9th ed.)

Roskin, Michael G., i Nicholas Orlando Berry. IR: The New World of International Relations. 4th ed. Prentice Hall, 1999.