Παραπομπή APA

Dumbrell, J. (1997). The making of US foreign policy (Ed.2.).

Παραπομπή Chicago Style

Dumbrell, John. The Making of US Foreign Policy. Ed.2. Manchester, Manchester university press, 1997.

Παραπομπή MLA

Dumbrell, John. The Making of US Foreign Policy. Ed.2. 1997.