Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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