APA (7e ed.) Bronvermelding

Burks, R. V. (1961). Some elements of East European History. Service Center for Teachers of History.

Chicago (17e ed.) Bronvermelding

Burks, R. V. Some Elements of East European History. Washington: Service Center for Teachers of History, 1961.

MLA (8e ed.) Bronvermelding

Burks, R. V. Some Elements of East European History. Service Center for Teachers of History, 1961.