Findley, R. W. F. (1983). Environmental law in a nutshell. West Publishing.
Dyfyniad Arddull ChicagoFindley, Roger W Farber. Environmental Law in a Nutshell. St. Paul, Minn: West Publishing, 1983.
Dyfyniad MLAFindley, Roger W Farber. Environmental Law in a Nutshell. West Publishing, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.