Kaushik,Anubha, & Kaushik,C.P. (2018). Perspectives in environmental studies (6.). New Age international Ltd. pub.
Chicago-čujuhus (17. p.)Kaushik,Anubha, juo Kaushik,C.P. Perspectives in Environmental Studies. 6. New Delhi: New Age international Ltd. pub, 2018.
MLA-čujuhus (9. p.)Kaushik,Anubha, juo Kaushik,C.P. Perspectives in Environmental Studies. 6. New Age international Ltd. pub, 2018.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.