Budge, I. (1990). Parties and democracy: Coalition formation and government functioning in twenty states. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Budge, Ian. Parties and Democracy: Coalition Formation and Government Functioning in Twenty States. Oxford: Oxford University Press, 1990.
Lua MLA (9ú heag.)Budge, Ian. Parties and Democracy: Coalition Formation and Government Functioning in Twenty States. Oxford University Press, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.