1. ICO: Exports of all Forms of Coffee to Exporting Countries: Calendar years 2000 to 2013. International Coffee Organization, London (2014)
2. Fairtrade Foundation: Fairtrade and Coffee. Fairtrade Foundation, London (2012)
3. World Bank: World Development Report 2008: Agriculture for Development. The World Bank, Washington, D.C. (2007)
4. Deininger, K., Okidi, J.: Growth and poverty reduction in Uganda, 1999-2000: panel data evidence. Dev. Policy Rev. 21, 481–509 (2003)
5. Geller, M., Dalal, M.: Analysis: Single-cup Coffee Sales Seen Growing. Reuters (2012).
http://www.reuters.com/article/2012/02/03/us-coffee-idUSTRE81203720120203
. Retrieved on 25 July 2014