APA (7e ed.) Bronvermelding

Utton, M. A., & Morgan, A. D. (1983). Concentration and foreign trade. Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Utton, M. A., en Ann D. Morgan. Concentration and Foreign Trade. Cambridge: Cambridge University Press, 1983.

MLA (9e ed.) Bronvermelding

Utton, M. A., en Ann D. Morgan. Concentration and Foreign Trade. Cambridge University Press, 1983.