Ndlangisa, Sabelo; du Plessis, Carien; sama Yende, Sizwe; Pauw, Jacques. Elections 2014: Will it be ANC vs EFF?. City Press. 12 January 2014 [16 January 2014]. (原始内容存档于2014年1月16日).
Support for political parties. Ipsos South Africa. [16 January 2014]. (原始内容存档于2014年1月16日). The survey was based on 3,564 interviews undertaken in October and November 2013.
van Onselen, Gareth. ANC still riding high among voters in spite of Nkandla scandal. Times LIVE. 21 April 2014 [21 April 2014]. (原始内容存档于2014年4月21日). The survey was based on 2,219 interviews undertaken from 21 March 2014 to 4 April 2014, after Public Protector Thuli Madonsela published her final Nkandla report.
Support for political parties. Ipsos South Africa. [16 January 2014]. (原始内容存档于2014年1月16日). The survey was based on 3,564 interviews undertaken in October and November 2013.
Ndlangisa, Sabelo; du Plessis, Carien; sama Yende, Sizwe; Pauw, Jacques. Elections 2014: Will it be ANC vs EFF?. City Press. 12 January 2014 [16 January 2014]. (原始内容存档于2014年1月16日).
van Onselen, Gareth. ANC still riding high among voters in spite of Nkandla scandal. Times LIVE. 21 April 2014 [21 April 2014]. (原始内容存档于2014年4月21日). The survey was based on 2,219 interviews undertaken from 21 March 2014 to 4 April 2014, after Public Protector Thuli Madonsela published her final Nkandla report.