Montgomery, Alice. <br/><br/>
Katy Perry :  the unoffical biography / 
Alice Montgomery. 
 - London :  Penguin/Michael Joseph,  2011. 
 - viii, 269 p., [16] p. of plates :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9780718158262 (pbk.) 
<br/><br/><label>Subjects--Personal Names: </label><br/>Perry, Katy.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Women singers--United States--Biography.<br/>Singers--United States--Biography.
<br/><br/><label>Dewey Class. No.: </label>782.42164092  / MON 2011