Wickham-Jones. Whatever Happened to Party Government? University of Michigan Press.
Lua i Stíl Chicago (17ú heag.)Wickham-Jones. Whatever Happened to Party Government? University of Michigan Press.
Lua MLA (9ú heag.)Wickham-Jones. Whatever Happened to Party Government? University of Michigan Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.