Schwartz, Randal L. <br/><br/>
Learning Perl / 
Randal L. Schwartz, Tom Phoenix, and Brian D. Foy. 
 - 4th ed. 
 - Sebastopol, CA :  O'Reilly,  2005 
 - xvii, 283 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0596101058 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Perl (Computer program language)