Dyfyniad APA

Ercman, S. (1977). European environmental law: Legal and economic appraisal. Bubenberg-Verlag.

Dyfyniad Arddull Chicago

Ercman, S. European Environmental Law: Legal and Economic Appraisal. Bern: Bubenberg-Verlag, 1977.

Dyfyniad MLA

Ercman, S. European Environmental Law: Legal and Economic Appraisal. Bubenberg-Verlag, 1977.

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