Welsh, Jim. <br/><br/>
Introduction to Pascal / 
by Jim Welsh and John Elder. 
 - 3rd ed. 
 - New York :  Prentice/Hall International,  c1988. 
 - x, 315 p. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0134915496 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pascal (Computer program language).