Não informado. (1908). Proceedings of the Mining and Metallurgical Society of America. Office of the Secretary Mining and Metallurgical Society of America.
Chicago-Zitierstil (17. Ausg.)Não informado. Proceedings of the Mining and Metallurgical Society of America. New York: Office of the Secretary Mining and Metallurgical Society of America, 1908.
MLA-Zitierstil (8. Ausg.)Não informado. Proceedings of the Mining and Metallurgical Society of America. Office of the Secretary Mining and Metallurgical Society of America, 1908.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.