APA citiranje

Mezger, D. (1980). Copper in the world economy. London: Heinemann.

Trích dẫn kiểu Chicago

Mezger, Dorothe. Copper in the World Economy. London: Heinemann, 1980.

MLA citiranje

Mezger, Dorothe. Copper in the World Economy. London: Heinemann, 1980.

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