Murach, Mike. <br/><br/>
Structured COBOL / 
Mike Murach. 
 - Inc., Chicago:  Science Research Associates,  1980. 
 - 501 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>0574212604 
<br/><br/><label>Subjects--Topical Terms: </label><br/> COBOL (Computer program language).<br/> Structured programming.