Παραπομπή APA

Diez, T., Bode, I., & Costa, A. F. d. (2011). Key concepts in international relations. SAGE Publications.

Παραπομπή Chicago Style

Diez, Thomas, Ingvild Bode, και Aleksandra Fernandes da Costa. Key Concepts in International Relations. Los Angeles ; London: SAGE Publications, 2011.

Παραπομπή MLA

Diez, Thomas, et al. Key Concepts in International Relations. SAGE Publications, 2011.