(1997). United Nations conference on trade and development: Handbook of world mineral trade statistics 1990 - 1995. New York: United Nations.
Chicago ZitierstilUnited Nations Conference On Trade and Development: Handbook of World Mineral Trade Statistics 1990 - 1995. New York: United Nations, 1997.
MLA ZitierstilUnited Nations Conference On Trade and Development: Handbook of World Mineral Trade Statistics 1990 - 1995. New York: United Nations, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.