APA aipamena

(1999). United Nations conference on trade and development: Handbook of world mineral trade statistics 1992 - 1997. New York: United Nations.

Chicago Style aipamena

United Nations Conference On Trade and Development: Handbook of World Mineral Trade Statistics 1992 - 1997. New York: United Nations, 1999.

MLA aipamena

United Nations Conference On Trade and Development: Handbook of World Mineral Trade Statistics 1992 - 1997. New York: United Nations, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.