References
- Albrow M. 1999. Sociology: The basics. London and New York: Routledge.
- Bottomore T. 1962/1987. Sociology: A guide to problems and literature. London: Allen & Unwin.
- WTO 2013: World Trade Organisation. Official site. Available at http://www.wto.org/english/thewto_e/whatis_e/tif_e/dev1_e.htm [accessed 18 September 2013].