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.
শিকাগো স্টাইলে সাইটেশনUnited Nations, এবং 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.
এমএলএ সাইটেশনUnited Nations, এবং 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.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.