Gaya APA

Schafer, A, R., Dumbrell, , J. (2009). America`s special relationships : foreign and domestic aspects of the politics of alliance . London: Routledge.

Gaya MLA

Schafer, Alex, R.., Dumbrell, , John. "America`s special relationships : foreign and domestic aspects of the politics of alliance". London: Routledge, 2009. Text.