Zimmermann, Reinhard. "Good Faith and Equity." Southern Cross: Civil Law and Common Law in South Africa. : Oxford University Press, 1996-11-07. Oxford Scholarship Online. 2012-03-22. Date Accessed 21 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198260875.001.0001/acprof-9780198260875-chapter-8>.
Zimmermann, R.(1996-11-07). Good Faith and Equity. In Southern Cross: Civil Law and Common Law in South Africa. : Oxford University Press. Retrieved 21 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198260875.001.0001/acprof-9780198260875-chapter-8.
Zimmermann, Reinhard. "Good Faith and Equity." In Southern Cross: Civil Law and Common Law in South Africa. : Oxford University Press, 1996-11-07. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198260875.001.0001/acprof-9780198260875-chapter-8.
Zimmermann R. Good Faith and Equity. In: Zimmermann R, Visser D. Southern Cross: Civil Law and Common Law in South Africa. Oxford University Press; 1996. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198260875.001.0001/acprof-9780198260875-chapter-8. Accessed May 21, 2013.