Não informado. (2002). California Journal of Mines and Geology. State of California, Department of Natural Resources, Division of Mines.
Chicago Style (17. basım) AtıfNão informado. California Journal of Mines and Geology. San Francisco, Calif: State of California, Department of Natural Resources, Division of Mines, 2002.
MLA (8th ed.) AtıfNão informado. California Journal of Mines and Geology. State of California, Department of Natural Resources, Division of Mines, 2002.
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