APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

Singh, Katar, och Anil Shishodia. Environmental Economics: Theory and Applications. Thousand Oaks, CA ; New Delhi: SAGE Publications, 2007.

MLA-referens (8:e uppl.)

Singh, Katar, och Anil Shishodia. Environmental Economics: Theory and Applications. SAGE Publications, 2007.