Dyfyniad APA

Young, G. J. (1946). Elements of mining (4th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Young, George Joseph. Elements of Mining. 4th ed. New York: McGraw-Hill, 1946.

Dyfyniad MLA

Young, George Joseph. Elements of Mining. 4th ed. McGraw-Hill, 1946.

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