Yadav, M. (2009). Environment studies. Arise Publishers & Distributors.
Chicago-čujuhus (17. p.)Yadav, M.S. Environment Studies. New Delhi: Arise Publishers & Distributors, 2009.
MLA-čujuhus (9. p.)Yadav, M.S. Environment Studies. Arise Publishers & Distributors, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.