APA (7th ed.) Zitazioa

Frankel , . J. (1969). International relations (2nd ed.). Oxford University Press.

Chicago Style (17th ed.) Zitazioa

Frankel , Joseph. International Relations. 2nd ed. London: Oxford University Press, 1969.

MLA (9th ed.) Zitazioa

Frankel , Joseph. International Relations. 2nd ed. Oxford University Press, 1969.