APA (7e ed.) Bronvermelding

Holt, S. (1970). Six European states: The countries of the European Community and their political systems. Taplinger Pub. Co..

Chicago (17e ed.) Bronvermelding

Holt, Stephen. Six European States: The Countries of the European Community and Their Political Systems. New York: Taplinger Pub. Co., 1970.

MLA (8e ed.) Bronvermelding

Holt, Stephen. Six European States: The Countries of the European Community and Their Political Systems. Taplinger Pub. Co., 1970.