APA引文

Harmer, J. (2004). How to teach writing. Longman.

芝加哥风格引文

Harmer, Jeremy. How to Teach Writing. Harlow, England: Longman, 2004.

MLA引文

Harmer, Jeremy. How to Teach Writing. Longman, 2004.

警告：这些引文格式不一定是100％准确.