Não informado. (1999). Politics. Political Studies Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Politics. Oxford, Inglaterra: Political Studies Association, 1999.
Lua MLA (8ú heag.)Não informado. Politics. Political Studies Association, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.