APA (7e ed.) Bronvermelding

Zimmermann, E. W., Peach, W. N., & Constantin, J. A. (1972). Zimmermann's world resources and industries (3rd ed.). Harper & Row.

Chicago (17e ed.) Bronvermelding

Zimmermann, Erich W., William Nelson Peach, en James A. Constantin. Zimmermann's World Resources and Industries. 3rd ed. New York: Harper & Row, 1972.

MLA (9e ed.) Bronvermelding

Zimmermann, Erich W., et al. Zimmermann's World Resources and Industries. 3rd ed. Harper & Row, 1972.