Citation 1317
Delgado C, Rosegrant M, Steinfeld H, Ehui S, and Courbois C. 1999. Livestock to 2020: the next food revolution. Food, Agriculture, and the Environment Discussion Paper 28. For the International Food Policy Research Institute, the Food and Agriculture Organization of the United Nations and the International Livestock Research Institute.
http://ifpri.org/2020/dp/dp28.pdf.
http://ifpri.org/2020/dp/dp28.pdf.