Baird, Kevin C. <br/><br/>
Ruby by example :  concepts and code / 
Kevin C. Baird. 
 - San Francisco :  No Starch Press,  2007. 
 - xxiii, 281 p. :  ill. ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9781593271480 (pbk.)  Hadiah 1593271484 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ruby (Computer program language).