Schmidt, S. W., & Shelley, M. C. (1991). American government and politics today. West.
Style de citation Chicago (17e éd.)Schmidt, Steffen W., et Mack C. Shelley. American Government and Politics Today. Saint Paul: West, 1991.
Style de citation MLA (9e éd.)Schmidt, Steffen W., et Mack C. Shelley. American Government and Politics Today. West, 1991.
Attention : ces citations peuvent ne pas être correctes à 100%.