Williams, Brad. <br/><br/>
Professional WordPress plugin development / 
 WordPress plugin development 
Brad Williams,Ozh Richard, Justin Tadlock. 
 - Indianapolis, IN :  Wiley Pub.,  c2011. 
 - xxvii, 524 p. :  ill. ;  24 cm. 
 - Wrox professional guides .
<br/><br/> "Wrox programmer to programmer"--Cover  Includes index. 
<br/><br/><label>ISBN: </label>9780470916223 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>WordPress (Electronic resource)
<br/><br/><label>Subjects--Topical Terms: </label><br/>Blogs--Computer programs.<br/>Web sites--Authoring programs.