APA引文

Harmer, J. (1993). Teaching anh learning grammar. England: Longman.

Trích dẫn kiểu Chicago

Harmer, Jeremy. Teaching Anh Learning Grammar. England: Longman, 1993.

MLA引文

Harmer, Jeremy. Teaching Anh Learning Grammar. England: Longman, 1993.

警告：這些引文格式不一定是100％准確.