APA (7e ed.) Bronvermelding

Kesler, S. E. (1975). Our finite mineral resources. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Kesler, Stephen E. Our Finite Mineral Resources. New York: McGraw-Hill, 1975.

MLA (8e ed.) Bronvermelding

Kesler, Stephen E. Our Finite Mineral Resources. McGraw-Hill, 1975.