Sareen ,shalini. (2005). environmental studies. IVy pub.
Chicago-čujuhus (17. p.)Sareen ,shalini. Environmental Studies. Delhi: IVy pub, 2005.
MLA-čujuhus (9. p.)Sareen ,shalini. Environmental Studies. IVy pub, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.