Chai, Winchung A. <br/><br/>
Programming standard COBOL / 
Winchung A.Chai & Henry W.Chai. 
 - New York :  Academic Press,  1976. 
 - 342 p. :  ill. ;  28 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>012166550X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COBOL (Computer program language).