Litecky, Charles R. and Davis, Gordon B. <br/><br/>
Structured COBOL  A step by step approach 
by Charles R. Litecky and Gordon B. Davis 
 - New York  McGraw-Hill, Inc.  1977 
 - xi, 401 p. :  ill. ;  27 cm. 
<br/><br/>Includes Index 
<br/><br/><br/>English Text 
<br/><br/><label>ISBN: </label>0-07-015788-X