Lua APA (7ú heag.)
ebrary, Inc, Polin, C., & Polin, R. (2009). Foundations of American political thought. Peter Lang.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, Constance Polin, agus Raymond Polin. Foundations of American Political Thought. New York: Peter Lang, 2009.
Lua MLA (9ú heag.)
ebrary, Inc, et al. Foundations of American Political Thought. Peter Lang, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.