Singh, K., & Shishodia, A. (2016). Environmental economics. Sage Texts.
Chicago-čujuhus (17. p.)Singh, Katar, juo Anil Shishodia. Environmental Economics. New Delhi: Sage Texts, 2016.
MLA-čujuhus (9. p.)Singh, Katar, juo Anil Shishodia. Environmental Economics. Sage Texts, 2016.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.