Ettlin, Walter A. <br/><br/>
WordStar 6.0 a su alcance 

 - Madrid :   McGraw-Hill,   1992. 
 - xxviii, 340 p. ;   24 cm. 
<br/><br/><label>ISBN: </label>8476156383 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PROGRAMACION
<br/><br/><label>Universal Decimal Class. No.: </label>681.3.06