Brookins, D. G. (1990). Mineral and energy resources: Occurrence, exploitation, and environmental impact. Merrill Publishing.
Chicago-Zitierstil (17. Ausg.)Brookins, Douglas G. Mineral and Energy Resources: Occurrence, Exploitation, and Environmental Impact. Columbus: Merrill Publishing, 1990.
MLA-Zitierstil (9. Ausg.)Brookins, Douglas G. Mineral and Energy Resources: Occurrence, Exploitation, and Environmental Impact. Merrill Publishing, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.