1. Bogue, D.J. (1979). The use of radio for social development. In T.D. Peigh, M.J. Maloney, R. Higgins, & D.J. Bogue (Eds.), The use of radio in social development. Chicago: The University of Chicago.
2. De Villiers, C. (1993). Radio: Chameleon of the ether. In AS. De Beer (Ed.), Mass media for the 90s: The South African handbook of mass communication. Pretoria: Van Schaik.
3. Ezrahi, Y. (1990). The descent of lcarus: Science and the transformation of contemporary democracy. Cambridge: Harvard University Press.
4. Giffard, C.A., de Beer, A.S. & Steyn, E. (1997). New media for the new South Africa. In F. Eribo & W. Jong-Ebot (Eds.), Press Freedom and communication in Africa. Trenton, NJ: Africa World Press.