Royce, Tony. <br/><br/>
COBOL :  an introduction /​ 
Tony Royce. 
 - Basingstoke :  Macmillan,  1991. 
 - ix, 161 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0333547373 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COBOL (Computer program language)