Sharma, J., Kadian, R., & Buldini, P. (1994). A Dictionary of Environment. CBS Publishers & Distributors.
Cita Chicago (17th ed.)Sharma, J.L, R.K Kadian, i P.L Buldini. A Dictionary of Environment. New Delhi: CBS Publishers & Distributors, 1994.
Cita MLA (9th ed.)Sharma, J.L, et al. A Dictionary of Environment. CBS Publishers & Distributors, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.