Dock, V. Thomas. <br/><br/>
Structured COBOL : American National Standard  [Books]. 
V. Thomas Dock. 
 - 2nd ed. 
 - St. Paul  West Publishing Company  1984 
 - Pages: 240 
<br/><br/><label>ISBN: </label>0314778969  0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>COBOL (Computer program language).<br/>Structured programming.
<br/><br/><label>Dewey Class. No.: </label>QA/76.73.C25  / DOC