Gaya APA

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

Gaya MLA

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