APA (7e ed.) Bronvermelding

Hoffman, G. W., & Dienes, L. (1985). The European energy challenge: East and West. Duke University Press.

Chicago (17e ed.) Bronvermelding

Hoffman, George Walter, en Leslie Dienes. The European Energy Challenge: East and West. Durham, NC: Duke University Press, 1985.

MLA (8e ed.) Bronvermelding

Hoffman, George Walter, en Leslie Dienes. The European Energy Challenge: East and West. Duke University Press, 1985.