Norton, Peter <br/><br/>
Peter Norton's dos guide 

 - New Delhi  Prentice Hall  1994 
 - xxiv,744 p. 
<br/><br/><label>ISBN: </label>8120309340 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science
<br/><br/><label>Universal Decimal Class. No.: </label>004.451  / NOR