Dyfyniad APA

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.

Dyfyniad Arddull Chicago

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. London: Group of Experts on Environmental Concerns and the Commonwealth., Commonwealth Secretariat, 1991.

Dyfyniad MLA

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.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.