Lua APA (7ú heag.)
Roberts, G. K., & Hogwood, P. (2003). The politics today companion to West European politics. Manchester University Press.
Lua i Stíl Chicago (17ú heag.)
Roberts, Geoffrey K., agus Patricia Hogwood. The Politics Today Companion to West European Politics. Manchester ; New York: Manchester University Press, 2003.
Lua MLA (9ú heag.)
Roberts, Geoffrey K., agus Patricia Hogwood. The Politics Today Companion to West European Politics. Manchester University Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.