Schmidt, S. W., & Shelley, M. C. (1993). American government and politics today: The essentials (1993-1994 edition.). Thomson/Wadsworth, West Publishing.
Цитирование в стиле Чикаго (17-е изд.)Schmidt, Steffen W., и Mack C. Shelley. American Government and Politics Today: The Essentials. 1993-1994 edition. Australia ; New York ; Belmont, CA: Thomson/Wadsworth, West Publishing, 1993.
Цитирование MLA (8-е изд.)Schmidt, Steffen W., и Mack C. Shelley. American Government and Politics Today: The Essentials. 1993-1994 edition. Thomson/Wadsworth, West Publishing, 1993.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.