Ercman, S. (1977). European environmental law: Legal and economic appraisal. Bubenberg-Verlag.
Citación estilo ChicagoErcman, 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.
Warning: These citations may not always be 100% accurate.