Friedman, S. (2007). Dilemmas of representation: Local politics, national factors, and the home styles of modern U.S. Congress members. State University of New York Press.
Lua i Stíl Chicago (17ú heag.)Friedman, Sally. Dilemmas of Representation: Local Politics, National Factors, and the Home Styles of Modern U.S. Congress Members. Albany: State University of New York Press, 2007.
Lua MLA (9ú heag.)Friedman, Sally. Dilemmas of Representation: Local Politics, National Factors, and the Home Styles of Modern U.S. Congress Members. State University of New York Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.