Laver, M. (1976). The theory and practice of party competition: Ulster 1973-75. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Laver, Michael. The Theory and Practice of Party Competition: Ulster 1973-75. London: Sage Publications, 1976.
Lua MLA (8ú heag.)Laver, Michael. The Theory and Practice of Party Competition: Ulster 1973-75. Sage Publications, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.