Immers, Richard <br/><br/>
Inside commodore dos (Disk Operating System) 
/ by Richard Immers, ... and Gerald G. Neufeld, ... ; ill. by Diane M. Corralejo 
. - Chatsworth  : Datamost , c1984
. - 507 p.  ; 24 cm. 
<br/><br/>Index 
<br/><br/><label>ISBN: </label>0835930912 
<br/><br/><label>Source: </label> Don 
<br/><br/><label>Universal Decimal Class. No.: </label>681.3