References
- J. Fitzgerald , Designing Controls into Computerized Systems ( Redwood City CA Fitzgerald & Assocs , 1981 ); W.E. Perry and J.F Kuong, EDP Risk Analysis and Controls Justification (Wellesley Hilts MA Management Advisory Publications, 1987) .
- Fitzgerald , J. Internal Controls for Computerized Systems . Redwood City CA Fitzgerald & Assocs , 1978 .
- Sobel , M. , Designing Internal Controls for Computerized Systems Workshop . UIS Associates . 1980 .