Dyfyniad APA

Chapman, S. (1998). Environmental law and policy. New Jersey: Prentice-Hall.

Dyfyniad Arddull Chicago

Chapman, Stephen. Environmental Law and Policy. New Jersey: Prentice-Hall, 1998.

Dyfyniad MLA

Chapman, Stephen. Environmental Law and Policy. New Jersey: Prentice-Hall, 1998.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.