Não informado. (1908). Proceedings of the Mining and Metallurgical Society of America. Office of the Secretary Mining and Metallurgical Society of America.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Proceedings of the Mining and Metallurgical Society of America. New York: Office of the Secretary Mining and Metallurgical Society of America, 1908.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Proceedings of the Mining and Metallurgical Society of America. Office of the Secretary Mining and Metallurgical Society of America, 1908.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.