1. Arimura, T., Darnall, N., & Katayama, H. (2009). Is ISO 14001 a gateway to more advanced voluntary action? A case for green supply chains (Tech. Rep. No. 09-05). Social Science Research Network.
2. Measuring corporate sustainability.;T.Benijts;Journal of Corporate Citizenship,2008
3. Bustello, M., & Zimmerman, A. (2009, July 16). Wal-Mart puts green movement into stores. The Wall Street Journal, A1, A10.
4. Chorley, J. (2009, March/April). Supporting sustainable business. APICS Magazine, 41.