West Bengal. Pollution Control Board. (2007). The clean air document: Final report of the WBPCB-ICEF project : pollution prevention and waste minimization of small scale industrial units in Kolkata metropolis area. West Bengal Pollution Control Board, India-China Environment Facility.
Style de citation Chicago (17e éd.)West Bengal. Pollution Control Board. The Clean Air Document: Final Report of the WBPCB-ICEF Project : Pollution Prevention and Waste Minimization of Small Scale Industrial Units in Kolkata Metropolis Area. West Bengal Pollution Control Board, India-China Environment Facility, 2007.
Style de citation MLA (9e éd.)West Bengal. Pollution Control Board. The Clean Air Document: Final Report of the WBPCB-ICEF Project : Pollution Prevention and Waste Minimization of Small Scale Industrial Units in Kolkata Metropolis Area. West Bengal Pollution Control Board, India-China Environment Facility, 2007.