APA引文

(1999). Longman grammar of spoken and written English. England: Longman.

Trích dẫn kiểu Chicago

Longman Grammar of Spoken and Written English. England: Longman, 1999.

MLA引文

Longman Grammar of Spoken and Written English. England: Longman, 1999.

警告：这些引文格式不一定是100％准确.