Katz, E., & Warshel, Y. (2001). Election studies: What's their use. Westview Press.
Lua i Stíl Chicago (17ú heag.)Katz, Elihu, agus Yael Warshel. Election Studies: What's Their Use. Boulder, Colo: Westview Press, 2001.
Lua MLA (9ú heag.)Katz, Elihu, agus Yael Warshel. Election Studies: What's Their Use. Westview Press, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.