United Nations Conference on Trade and Development & Organizacja Narodów Zjednoczonych. (1980). Energy supplies for developing countries: Issues in transfer and development of technology : study by the UNCTAD secretariat. United Nations.
Style de citation Chicago (17e éd.)United Nations Conference on Trade and Development et Organizacja Narodów Zjednoczonych. Energy Supplies for Developing Countries: Issues in Transfer and Development of Technology : Study by the UNCTAD Secretariat. New York: United Nations, 1980.
Style de citation MLA (9e éd.)United Nations Conference on Trade and Development et Organizacja Narodów Zjednoczonych. Energy Supplies for Developing Countries: Issues in Transfer and Development of Technology : Study by the UNCTAD Secretariat. United Nations, 1980.