Flanigan, W. H., & Zingale, N. H. (1991). Political behavior of the American electorate (7th.ed.). Congressional quaterly.
Lua i Stíl Chicago (17ú heag.)Flanigan, William H., agus Nancy H. Zingale. Political Behavior of the American Electorate. 7th.ed. Washington, D.C.: Congressional quaterly, 1991.
Lua MLA (9ú heag.)Flanigan, William H., agus Nancy H. Zingale. Political Behavior of the American Electorate. 7th.ed. Congressional quaterly, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.