Microsoft MS DOS paso a paso; versiones 6.0 y 6.2 

 - México :   McGraw-Hil,  1994  
<br/><br/><label>ISBN: </label>8484119134 
<br/><br/><label>Standard No.: </label>4488 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMPUTACION
<br/><br/><label>Universal Decimal Class. No.: </label>007