DUTTA, A. (2013). Environmental economics. APH Publishing.
Chicago-čujuhus (17. p.)DUTTA, Abhijit. Environmental Economics. APH Publishing, 2013.
MLA-čujuhus (9. p.)DUTTA, Abhijit. Environmental Economics. APH Publishing, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.