Craig, J. R. (1996). Resources of the earth: Origin, use, and environmental impact (2nd ed.). Prentice-Hall, Inc.
Citace podle Chicago (17th ed.)Craig, James R. Resources of the Earth: Origin, Use, and Environmental Impact. 2nd ed. Upper Saddle River, New Jersey: Prentice-Hall, Inc, 1996.
Citace podle MLA (9th ed.)Craig, James R. Resources of the Earth: Origin, Use, and Environmental Impact. 2nd ed. Prentice-Hall, Inc, 1996.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..