Não informado. (2020). Bi-Monthly Bulletin of the American Institute of Mining Engineers. American Institute of Mining Engineers.
Cita Chicago Style (17a ed.)Não informado. Bi-Monthly Bulletin of the American Institute of Mining Engineers. New York: American Institute of Mining Engineers, 2020.
Cita MLA (8a ed.)Não informado. Bi-Monthly Bulletin of the American Institute of Mining Engineers. American Institute of Mining Engineers, 2020.
Precaución: Estas citas no son 100% exactas.