Dyfyniad APA

Gupta, K., Gupta, A. K., & Gupta, S. (2008). Dictionary of Environment. Atlantic Publishers & Distributors (p) Ltd..

Dyfyniad Arddull Chicago

Gupta, K.R, Ashish Kumar Gupta, and Suriti Gupta. Dictionary of Environment. New Delhi: Atlantic Publishers & Distributors (p) Ltd., 2008.

Dyfyniad MLA

Gupta, K.R, et al. Dictionary of Environment. Atlantic Publishers & Distributors (p) Ltd., 2008.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.