Du Toit, Elda(Independent Regulatory Board for Auditors (IRBA), South African Institute of Chartered Accountants (SAICA) and Southern African Accounting Association (SAAA), 2008)
Gouws, Daan G.; Habtezion, A.Y.; Vermaak, Frans N.S.; Wolmarans, Hendrik Petrus(Faculty of Economic and Management Sciences University of Pretoria, 2006-09)