Pacific Institute for Studies in Development, Environment, and Security, Stockholm Environment Institute, & Gleick, P. H. (1993). Water in crisis: A guide to the world's fresh water resources. Oxford University Press.
Dyfyniad Arddull ChicagoPacific Institute for Studies in Development, Environment, and Security, Stockholm Environment Institute, and Peter H. Gleick. Water in Crisis: A Guide to the World's Fresh Water Resources. New York: Oxford University Press, 1993.
Dyfyniad MLAPacific Institute for Studies in Development, Environment, and Security, et al. Water in Crisis: A Guide to the World's Fresh Water Resources. Oxford University Press, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.