APA (7e ed.) Bronvermelding

Não informado. (1932). Mines Magazine. Colorado School of Mines Alumni.

Chicago (17e ed.) Bronvermelding

Não informado. Mines Magazine. Golden, Colo: Colorado School of Mines Alumni, 1932.

MLA (8e ed.) Bronvermelding

Não informado. Mines Magazine. Colorado School of Mines Alumni, 1932.

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