Gupta, K., Gupta, A. K., & Gupta, S. (2008). Dictionary of Environment. Atlantic Publishers & Distributors (p) Ltd..
Chicago-čujuhus (17. p.)Gupta, K.R, Ashish Kumar Gupta, juo Suriti Gupta. Dictionary of Environment. New Delhi: Atlantic Publishers & Distributors (p) Ltd., 2008.
MLA-čujuhus (9. p.)Gupta, K.R, et al. Dictionary of Environment. Atlantic Publishers & Distributors (p) Ltd., 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.