Curtis, M. (1965). Western European integration. Harper.
Lua i Stíl Chicago (17ú heag.)Curtis, Michael. Western European Integration. New York: Harper, 1965.
Lua MLA (9ú heag.)Curtis, Michael. Western European Integration. Harper, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.