1. BFAP, The Bureau For Food and Policy Research. 2013. 10th BFAP Baseline Agricultural Outlook 2013–2022. Pretoria.
2. Blignaut C, Taute M. 2010. The development of a map showing the soybean production regions and surface areas of the RSA. Pretoria: University of Pretoria.
3. DAFF (Department of Agriculture, Fisheries and Forestry). 2010. Soyabeans – production guidelines. Pretoria.
4. DAFF (Department of Agriculture, Fisheries and Forestry). 2013. Summer crops database. Crop Estimation Committee. Pretoria.
5. DAFF (Department of Agriculture, Fisheries and Forestry). 2013. Strategic Plan for the Department of Agriculture, Forestry and Fisheries 2013/14 to 2017/18. Pretoria.