1. Origin and history of the potato;Brown;Am. Potato J.,1993
2. Crunch! A history of the great American potato chip. Terrace Books;Burhans,2008
3. FAOSTAT. FAO Statistical Databases;FAO (Food and Agriculture Organization of the United Nations),2012
4. La Pomme de terre, enjeux et opportunités,2008
5. Seeds of Change;Hobhouse,1986