APA引文

Leech, G. (2002). A communicative grammar of english. London: Longman.

Trích dẫn kiểu Chicago

Leech, Geoffrey. A Communicative Grammar of English. London: Longman, 2002.

MLA引文

Leech, Geoffrey. A Communicative Grammar of English. London: Longman, 2002.

警告：這些引文格式不一定是100％准確.