O'Brien, Stephen. <br/><br/>
Turbo Pascal 6 :   Manual de referencia 

 - Madrid :   Osborne, McGraw-Hill,   1991. 
 - xxvi, 667 p. : 23,5 cm. 
<br/><br/><label>ISBN: </label>8476157061 007881703X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PASCAL
<br/><br/><label>Universal Decimal Class. No.: </label>519.682