APA-čujuhus (7. p.)
Lall, M., & Shikha Sahai. (2008). Fundamentals of environmental studies (2nd ed.). Excel Books.
Chicago-čujuhus (17. p.)
Lall, Madhurima, juo Shikha Sahai. Fundamentals of Environmental Studies. 2nd ed. New Delhi: Excel Books, 2008.
MLA-čujuhus (9. p.)
Lall, Madhurima, juo Shikha Sahai. Fundamentals of Environmental Studies. 2nd ed. Excel Books, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.