Gifford, P., & ed. The National interests of the United States in foreign policy. University Press of America.
Style de citation Chicago (17e éd.)Gifford, Prosser, et ed. The National Interests of the United States in Foreign Policy. Washington, D.C.: University Press of America.
Style de citation MLA (9e éd.)Gifford, Prosser, et ed. The National Interests of the United States in Foreign Policy. University Press of America.
Attention : ces citations peuvent ne pas être correctes à 100%.