Ercman, S. (1977). European environmental law: Legal and economic appraisal. Bubenberg-Verlag.
Chicago Edition CitationErcman, S. European Environmental Law: Legal and Economic Appraisal. Bern: Bubenberg-Verlag, 1977.
Cita MLAErcman, S. European Environmental Law: Legal and Economic Appraisal. Bubenberg-Verlag, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.