Dyfyniad APA

Bise, C. J. (2013). Modern American coal mining: Methods and applications. SME.

Dyfyniad Arddull Chicago

Bise, Christopher J. Modern American Coal Mining: Methods and Applications. Littleton, Colorado: SME, 2013.

Dyfyniad MLA

Bise, Christopher J. Modern American Coal Mining: Methods and Applications. SME, 2013.

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