1. BarrientosS.DolanC. (Eds.). (2006). Ethical Sourcing in the Global Food System. Earthscan.
2. Basden, A. (n.d.). The economic aspect. Retrieved October 11, 2018, from http://dooy.info/economic.html
3. Cardeli, L. (2017). Loren Cardeli: “Agriculture got us here, and agriculture can also save us.” Retrieved from https://foodtank.com/news/2017/09/loren-cardeli-summit-interview/
4. ChangH.-J. (2008). Bad Samaritans: The Guilty Secrets of Rich Nations and the Threat to Global Prosperity. London: Random House.