1. Accenture, 2009. Only one in 10 companies actively manage their supply chain carbon footprints, Accenture Study Finds 〈http://newsroom.accenture.com/article_display.cfm?article_id=4801〉, accessed on 20/05/2009.
2. Benjaafar, S., Li, Y., Daskin, M., 2010. Carbon footprint and the management of supply chains: Insights from simple models 〈http://www.ie.umn.edu/faculty/faculty/pdf/beyada-3-31-10.pdf〉, accessed on 24/05/2010.
3. Bonney, M., Jaber, M.Y., 2010. Environmentally responsible inventory models: non-classical models for a non-classical era. International Journal of Production Economics, doi: 10.1016/j.ijpe.2009.10.033.
4. Bothra, N., 2010. Carbon trade market 〈http://india-financing.com/Carbon%20Trade%20Market%20-%20final.pdf〉, accessed on 05/04/2010.
5. Cachon, G., 2009. Carbon footprint and the management of supply chains. The INFORMS Annual Meeting, San Diego, CA.