APA引文

Alexander, L. G. (1990). Longman english grammar practice: For intermediate students. New York: Longman.

Trích dẫn kiểu Chicago

Alexander, L. G. Longman English Grammar Practice: For Intermediate Students. New York: Longman, 1990.

MLA引文

Alexander, L. G. Longman English Grammar Practice: For Intermediate Students. New York: Longman, 1990.

警告：這些引文格式不一定是100％准確.