Sharma, B. R. (2001). Environmental management and sustainable development. Concept Publishing Company.
Citazione stile Chigago Style (17a edizione)Sharma, B. R. Environmental Management and Sustainable Development. New Delhi: Concept Publishing Company, 2001.
Citatione MLA (9a ed.)Sharma, B. R. Environmental Management and Sustainable Development. Concept Publishing Company, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.