Bernard, Solomon Martin. <br/><br/>
System/3 programming RPG II   
by Solomon Martin Bernard 
 - New Jersey  Prentice-Hall  1972 
 - xii, 368p.  incl. ind. 
<br/><br/><label>ISBN: </label>0138816980 
<br/><br/><label>Dewey Class. No.: </label>001.6424  / N72