Canter, L. W. (1977). Environmental Impact Assessment. McGraw-Hill.
Dyfyniad Arddull ChicagoCanter, Larry. W. Environmental Impact Assessment. New York: McGraw-Hill, 1977.
Dyfyniad MLACanter, Larry. W. Environmental Impact Assessment. McGraw-Hill, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.