APA (7e ed.) Bronvermelding

Harrison, R. J. (1974). Europe in question: Theories of regional international integration. New York University Press.

Chicago (17e ed.) Bronvermelding

Harrison, Reginald J. Europe in Question: Theories of Regional International Integration. New York: New York University Press, 1974.

MLA (9e ed.) Bronvermelding

Harrison, Reginald J. Europe in Question: Theories of Regional International Integration. New York University Press, 1974.