Não informado. (2020). Chapter of Report ... of the State Mineralogist Covering Mining in California and the Activities of the State Mining Bureau. California State Mining Bureau.
Čikaški stil citiranja (17. izdanje)Não informado. Chapter of Report ... of the State Mineralogist Covering Mining in California and the Activities of the State Mining Bureau. San Francisco, Calif: California State Mining Bureau, 2020.
MLA način citiranja (8. izdanje)Não informado. Chapter of Report ... of the State Mineralogist Covering Mining in California and the Activities of the State Mining Bureau. California State Mining Bureau, 2020.
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