Chapman, S. (1998). Environmental law and policy. New Jersey: Prentice-Hall.
Dyfyniad Arddull ChicagoChapman, Stephen. Environmental Law and Policy. New Jersey: Prentice-Hall, 1998.
Dyfyniad MLAChapman, Stephen. Environmental Law and Policy. New Jersey: Prentice-Hall, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.