AHLUWALIA, V. M. (2019). Environmental science. Ane Books.
Chicago-čujuhus (17. p.)AHLUWALIA, V.K. Malhotra. Environmental Science. Ane Books, 2019.
MLA-čujuhus (9. p.)AHLUWALIA, V.K. Malhotra. Environmental Science. Ane Books, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.