Pfieffer J W,ed. <br/><br/>
Ninty Ninty Six, annual: Consulting, vol.II 
Pfieffer J W,ed. 
 - Johannesburg  Johannesburg, Pfeiffer & Co.  1996 
 - 320p 
 -  v.2 .
<br/><br/><label>Source: </label>Textbook