World Bank, World Bank., & World Bank. Environmentally Sustainable Development. (1996). The World Bank participation sourcebook. Washington, D.C.: World Bank.
Dyfyniad Arddull ChicagoWorld Bank, World Bank, và World Bank. Environmentally Sustainable Development. The World Bank Participation Sourcebook. Washington, D.C.: World Bank, 1996.
Dyfyniad MLAWorld Bank, World Bank, và World Bank. Environmentally Sustainable Development. The World Bank Participation Sourcebook. Washington, D.C.: World Bank, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.