Bardes, B. A., Shelley, M. C., & Schmidt, S. W. (2000). American government and politics today: The essentials (2000-2001 edition.). Thomson/Wadsworth.
Lua i Stíl Chicago (17ú heag.)Bardes, Barbara A., Mack C. Shelley, agus Steffen W. Schmidt. American Government and Politics Today: The Essentials. 2000-2001 edition. Australia ; Belmont, CA: Thomson/Wadsworth, 2000.
Lua MLA (8ú heag.)Bardes, Barbara A., et al. American Government and Politics Today: The Essentials. 2000-2001 edition. Thomson/Wadsworth, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.