APA-čujuhus (7. p.)
Gopinath, R., & Balasubramanya, N. (2018). Environmental science and engineering. Cengage.
Chicago-čujuhus (17. p.)
Gopinath, Rajesh, juo N. Balasubramanya. Environmental Science and Engineering. New Delhi: Cengage, 2018.
MLA-čujuhus (9. p.)
Gopinath, Rajesh, juo N. Balasubramanya. Environmental Science and Engineering. Cengage, 2018.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.