Porter, W. Thomas. <br/><br/>
EDP, controls and auditing 
W. Thomas Porter, William E. Perry. 
 - 4th ed. 
 - Boston, Mass.  Kent Pub. Co.  c1984. 
 - xvii, 571 p.  ill. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 565-567. 
<br/><br/><label>ISBN: </label>0534030629 
<br/><br/><label>LCCN: </label>83025540  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing departments--Auditing.
<br/><br/><label>LC Class. No.: </label>HF5548.35  / .P67 1984