Vogler, D. J. (1977). The Politics of Congress. Allyn and Bacon, Inc.
Cita Chicago (17th ed.)Vogler, David J. The Politics of Congress. Boston, London, Sydney, Toronto: Allyn and Bacon, Inc, 1977.
Cita MLA (9th ed.)Vogler, David J. The Politics of Congress. Allyn and Bacon, Inc, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.