Παραπομπή APA

Singh, K., & Shishodia, A. (2007). Environmental economics: Theory and applications. Sage Publications.

Παραπομπή Chicago Style

Singh, Katar, και Anil Shishodia. Environmental Economics: Theory and Applications. New Delhi: Sage Publications, 2007.

Παραπομπή MLA

Singh, Katar, και Anil Shishodia. Environmental Economics: Theory and Applications. Sage Publications, 2007.