Dyfyniad APA

Illinois Institute for Continuing Legal Education. (1983). Environmental law. Illinois Institute for Continuing Legal Education.

Dyfyniad Arddull Chicago

Illinois Institute for Continuing Legal Education. Environmental Law. Springfield, Ill.: Illinois Institute for Continuing Legal Education, 1983.

Dyfyniad MLA

Illinois Institute for Continuing Legal Education. Environmental Law. Illinois Institute for Continuing Legal Education, 1983.

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