Harmse, Chris; Jordaan, Andre Cillie; Jordaan, Yolanda(University of Wisconsin Press in cooperation with the Institute for Media Analysis in South Africa (iMasa) and the Department of Journalism at Stellenbosch University, South Africa, 2001)
Van Deventer, P.J.; Snyman, M.M.M. (Maria Magdalena Margaretha); Snyman, Retha(Department of Knowledge and Information Management, University of Johannesburg, 2004-03)