Trích dẫn APA

(1997). United Nations conference on trade and development: Handbook of world mineral trade statistics 1990 - 1995. New York: United Nations.

Trích dẫn kiểu Chicago

United Nations Conference On Trade and Development: Handbook of World Mineral Trade Statistics 1990 - 1995. New York: United Nations, 1997.

Trích dẫn MLA

United Nations Conference On Trade and Development: Handbook of World Mineral Trade Statistics 1990 - 1995. New York: United Nations, 1997.

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