Schmidt, S. W., & Shelley, M. C. (1993). American government and politics today: The essentials (1993-1994 edition.). Thomson/Wadsworth, West Publishing.
Citace podle Chicago (17th ed.)Schmidt, Steffen W., a Mack C. Shelley. American Government and Politics Today: The Essentials. 1993-1994 edition. Australia ; New York ; Belmont, CA: Thomson/Wadsworth, West Publishing, 1993.
Citace podle MLA (8th ed.)Schmidt, Steffen W., a Mack C. Shelley. American Government and Politics Today: The Essentials. 1993-1994 edition. Thomson/Wadsworth, West Publishing, 1993.
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