1. Adey, S. 2007. A journey without maps: Towards sustainable subsistence agriculture in South Africa. PhD. Thesis. Wageningen, Netherlands: Wageningen University.
2. AGIS. 2008. AGIS comprehensive atlas. Agricultural geo-referenced information system. http://www.agis.agric.za/agisweb/agis.html . Accessed 23 June 2008.
3. Aliber, M. 2009. Exploring Statistics South Africa’s national household surveys as sources of information about food security and subsistence agriculture. Unpublished Report, Centre for Poverty Employment and Growth, Pretoria, South Africa: Human Sciences Research Council.
4. Babbie, E., and J. Mouton. 2001. The practice of social research. (South African Edition). Cape Town, South Africa: Oxford University Press.
5. Bundy, C. 1988. The rise and fall of the South African Peasantry, 2nd ed. Cape Town, South Africa: David Phillip.