World Resources Institute, United Nations Environment Programme, United Nations Development Programme, & World Bank. (1998). World resources, 1998-99: A guide to the global environment : environmental change and human health. Oxford University Press.
Dyfyniad Arddull ChicagoWorld Resources Institute, United Nations Environment Programme, United Nations Development Programme, and World Bank. World Resources, 1998-99: A Guide to the Global Environment : Environmental Change and Human Health. New York ; Oxford: Oxford University Press, 1998.
Dyfyniad MLAWorld Resources Institute, et al. World Resources, 1998-99: A Guide to the Global Environment : Environmental Change and Human Health. Oxford University Press, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.