Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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