Lua APA (7ú heag.)
Schmidt, S. W., & Shelley,Mack G. (2001). American Government and politics today (2001-2002.). Wadsworth.
Lua i Stíl Chicago (17ú heag.)
Schmidt, Steffen W., agus Shelley,Mack G. American Government and Politics Today. 2001-2002. Canada: Wadsworth, 2001.
Lua MLA (9ú heag.)
Schmidt, Steffen W., agus Shelley,Mack G. American Government and Politics Today. 2001-2002. Wadsworth, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.