Sin autor <br/><br/>
IBM System/360 Operating System :  Job Control Language reference 

 - 4th ed. 
 - Nueva York :   IBM Corporation,  1973 
 - 357 p.  ;  25 cm. 
 - Systems reference library .
<br/><br/> OS Release 21.7 
<br/><br/><label>Standard No.: </label>DIF001166 
<br/><br/><label>Subjects--Topical Terms: </label><br/>JOB CONTROL LANGUAGE - JCL<br/>OS/360