APA (7e ed.) Bronvermelding

Schmidt, S. W., & Shelley, M. C. (1991). American government and politics today. West.

Chicago (17e ed.) Bronvermelding

Schmidt, Steffen W., en Mack C. Shelley. American Government and Politics Today. Saint Paul: West, 1991.

MLA (9e ed.) Bronvermelding

Schmidt, Steffen W., en Mack C. Shelley. American Government and Politics Today. West, 1991.