Kolluru, R. V. (1993). Environmental strategies handbook: A guide to effective policies and practices. New York: McGraw-Hill.
Dyfyniad Arddull ChicagoKolluru, Rao V. Environmental Strategies Handbook: A Guide to Effective Policies and Practices. New York: McGraw-Hill, 1993.
Dyfyniad MLAKolluru, Rao V. Environmental Strategies Handbook: A Guide to Effective Policies and Practices. New York: McGraw-Hill, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.