1. Information Disclosure Strategies for Green Industries
2. Department of Environmental Affairs (DEA), 2011. White paper on the national climate change response. No. 34695, Notice 757
3. Department of Environmental Affairs and Tourism (DEAT), 2009. Greenhouse gas inventory South Africa, 1990 to 2000. National Inventory Report compiled under the United Nations Framework Convention on Climate Change (UNFCCC), 89p