Davis, Gordon Bitter. <br/><br/>
Elementary structured COBOL :  a step by step approach / 
Gordon B. Davis, Margrethe H. Olson and Charles R. Litecky. 
 - New York :  McGraw-Hill,  1977. 
 - viii, 312 p. :  ill. ;  28 cm. 
<br/><br/> Originally published in 1971 under title: Elementary COBOL programming.  Includes index. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0070157820 
<br/><br/><label>LCCN: </label>76057721  
<br/><br/><label>Subjects--Topical Terms: </label><br/>COBOL (Computer program language)
<br/><br/><label>Dewey Class. No.: </label>005.133  / DAE