APA引文

Richards, J. C. (1996). Changes: English for international communication : teacher's book 3. Cambridge University Press.

Trích dẫn kiểu Chicago

Richards, Jack C. Changes: English for International Communication : Teacher's Book 3. Cambridge University Press, 1996.

MLA引文

Richards, Jack C. Changes: English for International Communication : Teacher's Book 3. Cambridge University Press, 1996.

警告：这些引文格式不一定是100％准确.