APA (7e ed.) Bronvermelding

Não informado. (2009). Mines and Mineral Statistics. Commissioner of Mineral Statistics of the State of Michigan.

Chicago (17e ed.) Bronvermelding

Não informado. Mines and Mineral Statistics. Lansing, Mich: Commissioner of Mineral Statistics of the State of Michigan, 2009.

MLA (8e ed.) Bronvermelding

Não informado. Mines and Mineral Statistics. Commissioner of Mineral Statistics of the State of Michigan, 2009.

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