Tornsdorf, Helmut. <br/><br/>
El gran Manual del PC 
HelmutTornsdorf y Manfred Tornsdorf. 
 - Barcelona  Marcombo  1994. 
<br/><br/><label>ISBN: </label>8426709508 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microcomputers--Handbooks, manuals, etc.<br/>Personal computer--Programming.<br/>PC DOS Computer operating system.