Kushner, Marvin  <br/><br/>
RPG :  language and techniques / 
Marvin Kushner and Cynthia Zucker. 
 - New York :  Wiley,  1974. 
 - ix, 482 p. :  ill. ;  29 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>047151117X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RPG (Computer program language)