Microsoft ,  <br/><br/>
Microsoft GW-BASIC: users guide and reference 

 - NA 
 - Singapore  1989 
 - 420 
<br/><br/><label>ISBN: </label>1-55615-260-4 
<br/><br/><label>Subjects--Personal Names: </label><br/>Computer Science
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science, information & general works