APA引文
Richards, J. C. (2002). Changes: English for international communication. Cambridge university press.
芝加哥风格引文
Richards, Jack C. Changes: English for International Communication. Cambridge: Cambridge university press, 2002.
MLA引文
Richards, Jack C. Changes: English for International Communication. Cambridge university press, 2002.
警告:这些引文格式不一定是100%准确.