Hay, C. (2002). Political Analysis. Palgrave.
Lua i Stíl Chicago (17ú heag.)Hay, Colin. Political Analysis. New York: Palgrave, 2002.
Lua MLA (9ú heag.)Hay, Colin. Political Analysis. Palgrave, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.