Não informado. (2020). Chapter of Report ... of the State Mineralogist Covering Mining in California and the Activities of the Division of Mines. California Division of Mines.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Chapter of Report ... of the State Mineralogist Covering Mining in California and the Activities of the Division of Mines. San Francisco, Calif: California Division of Mines, 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Chapter of Report ... of the State Mineralogist Covering Mining in California and the Activities of the Division of Mines. California Division of Mines, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.