Davis, Gordon B. <br/><br/>
Elementary COBOL programming  A step by step approach 
by Gordon B. Davis and Charles R. Litecky 
 - New York  McGraw-Hill  1971 
 - x, 164p.  incl. app., ind. 
<br/><br/><label>ISBN: </label>070157804 
<br/><br/><label>LCCN: </label>78-140254 
<br/><br/><label>Dewey Class. No.: </label>001.6424,C  / N711