Ruston, Henry. <br/><br/>
Programming with PL/I 
Henry Ruston. 
 - New York  McGraw-Hill  c1978. 
 - xvii, 541 p.  ill.  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>007054350X 
<br/><br/><label>LCCN: </label>77016407 //r80 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PL/I (Computer program language)
<br/><br/><label>LC Class. No.: </label>QA76.73.P25  / R87 
<br/><br/><label>Dewey Class. No.: </label>001.64/24