1. http://en.wikipedia.org/wiki/Green_chemistry
2. http://www.epa.gov/greenchemistry/pubs/whats_gc.html
3. P T Anastas, J C Warner, Green Chemistry: Theory and Practice; Oxford University Press: New York, p.30, 1998.
4. V K Ahluwalia and M Kidwai, New Trends in Green Chemistry, Anamaya Publishers, New Delhi, 2004.
5. Leena Rao, Resonance, Vol.12, No.8, pp.65–75; No.10, pp.30–36, 2007.