Axford, B. (1997). Politics: An introduction. Routledge.
Lua i Stíl Chicago (17ú heag.)Axford, Barrie. Politics: An Introduction. London ; New York: Routledge, 1997.
Lua MLA (8ú heag.)Axford, Barrie. Politics: An Introduction. Routledge, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.