Sin autor <br/><br/>
Microsoft MS-DOS :  Userīs guide and reference por the MS-DOS operating system version 5.0 

 - Redmond :  [S.n.],  c1991 
 - xiii, 668 p. : il. ;  23 cm. 
<br/><br/> Document No. SY07661/20885-0391. 
<br/><br/><label>Standard No.: </label>DIF-M1814 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MS DOS