Brookins, D. G. (1990). Mineral and energy resources: Occurrence, exploitation, and environmental impact. Merrill.
Čikaški stil citiranja (17. izdanje)Brookins, Douglas G. Mineral and Energy Resources: Occurrence, Exploitation, and Environmental Impact. Columbus: Merrill, 1990.
MLA način citiranja (9. izdanje)Brookins, Douglas G. Mineral and Energy Resources: Occurrence, Exploitation, and Environmental Impact. Merrill, 1990.
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