Yourdon, Edward <br/><br/>
Learning to program in structured cobol: part 1-2 

 - New Jersey  Prentice Hall  1976 
 - xv, 478p. p. 
<br/><br/><label>ISBN: </label>0-13-527713-2 
<br/><br/><label>Subjects--Index Terms: </label>COBOL (Computer programming language)