APA (7e ed.) Bronvermelding

Não informado. (2020). Bi-Monthly Bulletin of the American Institute of Mining Engineers. American Institute of Mining Engineers.

Chicago (17e ed.) Bronvermelding

Não informado. Bi-Monthly Bulletin of the American Institute of Mining Engineers. New York: American Institute of Mining Engineers, 2020.

MLA (8e ed.) Bronvermelding

Não informado. Bi-Monthly Bulletin of the American Institute of Mining Engineers. American Institute of Mining Engineers, 2020.

Let op: Deze citaties zijn niet altijd 100% accuraat.