Não informado. (2022). Mineral & Energy Resources. Colorado School of Mines.
Chicago (17e ed.) BronvermeldingNão informado. Mineral & Energy Resources. Golden, Colo: Colorado School of Mines, 2022.
MLA (8e ed.) BronvermeldingNão informado. Mineral & Energy Resources. Colorado School of Mines, 2022.
Let op: Deze citaties zijn niet altijd 100% accuraat.