Commonwealth Secretariat. Economic Affairs Division & Marstrand, P. K. (1991). Sustainable development: An imperative for environmental protection : report by a group of experts on environmental concerns and the Commonwealth. Group of Experts on Environmental Concerns and the Commonwealth., Commonwealth Secretariat.
Chicago Style (17th ed.) CitationCommonwealth Secretariat. Economic Affairs Division and Pauline K. Marstrand. Sustainable Development: An Imperative for Environmental Protection : Report by a Group of Experts on Environmental Concerns and the Commonwealth. London: Group of Experts on Environmental Concerns and the Commonwealth., Commonwealth Secretariat, 1991.
MLA引文Commonwealth Secretariat. Economic Affairs Division and Pauline K. Marstrand. Sustainable Development: An Imperative for Environmental Protection : Report by a Group of Experts on Environmental Concerns and the Commonwealth. Group of Experts on Environmental Concerns and the Commonwealth., Commonwealth Secretariat, 1991.