Litecky, Charles R. <br/><br/>
Structured COBOL :  a step by step approach / 
Charles R. Litecky, Gordon B. Davis. 
 - New York :  McGraw-Hill Book,  1987. 
 - 401 p. :  ill. ;  28 cm. 
<br/><br/> Rev. ed. of: Elementary structured COBOL/Gordon B. Davis, Margrethe H. Olsen, Charles R. Litecky, 
<br/><br/><label>ISBN: </label>007015788X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COBOL (Computer program language).<br/>Structured programming.