O'Leary, Timothy J. and O'Leary ,Linda I. <br/><br/>
DOS 6.0 with Introduction to the Labs  
by Timothy J. O'Leary and Linda I. O'Leary 
 - New York  McGraw - Hill, Inc.  1994 
 - 141 p. :  ill. ;  25 cm 
<br/><br/>Includes Summary and Index 
<br/><br/><br/>English Text 
<br/><br/><label>ISBN: </label>0-07-048996-3