1. Ecologically unsustainable trade
2. Arden-Clarke, C. (1992). South-North terms of trade: Environmental protection and sustainable development. International Environmental Affairs, 4(2), 122-139.
3. Bhagwati, J. (1993). The case for free trade. Scientific American, 269(5), 42-49.
4. The Global Age: From a Sceptical South to a Fearful North
5. Costanza, R., Audley, J., Borden, R., Ekins, P., Folke, C., Funtowicz, S., et al. (1995). Sustainable trade. A new paradigm for world welfare. Environment, 37(5), 16-20, 39-44.