Flanagan, David. <br/><br/>
The Ruby Programming Language / 
Flanagan, David. 
 - Beijing ; Sebastopol, CA:  SPD/O'Relliy,  2008. 
 - 429 p. : ill. ; 24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8184044925 
<br/><br/><label>Dewey Class. No.: </label>005.117 22 FLA