Original edition, entitled Objective-C Developer Reference, by Jiva Devoe, ISBN 978-0-470-47922-3 , published by John Wiley & Sons, Inc.
Copyright ©2011 by John Wiley & Sons, Inc.，All rights reserved．This translation published under License．
Simplified Chinese translation edition published by POSTS & TELECOM PRESS Copyright ©2012．
Copies of this book sold without a Wiley sticker on the cover are unauthorized and illegal.
本书简体中文版由John Wiley & Sons, Inc.授权人民邮电出版社独家出版。
本书封底贴有John Wiley & Sons, Inc.激光防伪标签，无标签者不得销售。