Porter, James. <br/><br/>
Integrating the computer with your business :  accounting for computer charges / 
by James Porter & Jonathan Chapple edited by R.B. Yearsley. 
 - New York :  Wiley,  1980. 
 - 308 p. :  ill. ;  22 cm. 
<br/><br/> 'A Halsted Press book.' 
<br/><br/><label>ISBN: </label>0470269847 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing departments--Costs.<br/>Electronic data processing departments--Accounting.