Jennings, W. I. (1960). Party politics. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Jennings, William Ivor. Party Politics. London [England]: Cambridge University Press, 1960.
Lua MLA (8ú heag.)Jennings, William Ivor. Party Politics. Cambridge University Press, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.