Sinclair, Ian Robertson. <br/><br/>
The PC user’s companion / 
Ian Robertson Sinclair. 
 - London :  Heinemann Newtech,  1990. 
 - 230 pages :  illustrations, charts ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780434918546 0434918547 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Personal computers --Handbooks, manuals, etc.<br/>Personal computers--Hardware--Handbooks, manuals, etc.<br/>Personal computers--Software--Handbooks, manuals, etc.<br/>Personal computers (Electronic computers) <br/>Handbooks and manuals.