Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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