Potgieter, Jenni-Marí; Swanepoel, De Wet; Heinze, Barbara M.; Hofmeyr, Louis Murray; Burger, André A.S.; Hamersma, Herman(Cambridge University Press, 2014-04)
Brennan-Jones, Christopher G.; Taljaard, Dunay Schmulian; Brennan-Jones, Sophie E.F.; Bennett, Rebecca J.; Swanepoel, De Wet; Eikelboom, Robert H.(Wiley, 2016-04)