APA استشهاد

Keefe, W. J. O. (1964). The American legislative process: Congress and the states. Prentice Hall.

استشهاد بنمط شيكاغو

Keefe, William J Ogul. The American Legislative Process: Congress and the States. New Jersey: Prentice Hall, 1964.

MLA استشهاد

Keefe, William J Ogul. The American Legislative Process: Congress and the States. Prentice Hall, 1964.