Sharma, B. R. (2001). Environmental management and sustainable development. Concept Publishing Company.
Cita Chicago (17th ed.)Sharma, B. R. Environmental Management and Sustainable Development. New Delhi: Concept Publishing Company, 2001.
Cita MLA (9th ed.)Sharma, B. R. Environmental Management and Sustainable Development. Concept Publishing Company, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.