APA (7e ed.) Bronvermelding

Gifford, P., & ed. The National interests of the United States in foreign policy. University Press of America.

Chicago (17e ed.) Bronvermelding

Gifford, Prosser, en ed. The National Interests of the United States in Foreign Policy. Washington, D.C.: University Press of America.

MLA (9e ed.) Bronvermelding

Gifford, Prosser, en ed. The National Interests of the United States in Foreign Policy. University Press of America.