Robertson, A. H. (1966). European institutions: Cooperation, integration, unification (2d ed.). Praeger.
Lua i Stíl Chicago (17ú heag.)Robertson, A. H. European Institutions: Cooperation, Integration, Unification. 2d ed. New York: Praeger, 1966.
Lua MLA (9ú heag.)Robertson, A. H. European Institutions: Cooperation, Integration, Unification. 2d ed. Praeger, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.