Manning, Gerry. <br/><br/>
COBOL basics :  a structured approach / 
Gerry Manning. 
 - 1st ed. 
 - New York :  Random House,  1980. 
 - xiv, 416 p. :  ill. ;  30 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 409. 
<br/><br/><label>ISBN: </label>0394323599 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COBOL (Computer program language).<br/>Structured programming.