United Nations, & Department of Economic and Social Affairs. (1970). Mineral resources development with particular reference to the developing countries: Department of Economic and Social Affairs. New York: United Nations.
Chicago Style aipamenaUnited Nations, và Department of Economic and Social Affairs. Mineral Resources Development With Particular Reference to the Developing Countries: Department of Economic and Social Affairs. New York: United Nations, 1970.
MLA aipamenaUnited Nations, và Department of Economic and Social Affairs. Mineral Resources Development With Particular Reference to the Developing Countries: Department of Economic and Social Affairs. New York: United Nations, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.