Παραπομπή σε μορφή APA (7η εκδ.)

Hughes, E. J. (1973). The living presidency: The resources and dilemmas of the American Presidential Office / by Emmet John Hughes. Coward, McCann & Geoghegan.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hughes, Emmet John. The Living Presidency: The Resources and Dilemmas of the American Presidential Office / by Emmet John Hughes. New York: Coward, McCann & Geoghegan, 1973.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hughes, Emmet John. The Living Presidency: The Resources and Dilemmas of the American Presidential Office / by Emmet John Hughes. Coward, McCann & Geoghegan, 1973.