Welburn, Tyler. <br/><br/>
Structured Cobol 47/  fundamentals and style 
85 
 - 3rd ed. 
 - New York :  Mitchell McGraw-Hill   c1990 
 - xx, 687 p. :  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>0070691665 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cobol 74/85 (Computer program language)