APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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