APA引文

Alexander, L. G. (1990). Longman English Grammar Practice: For Intermediate Students. London: Longman.

Trích dẫn kiểu Chicago

Alexander, Louis George. Longman English Grammar Practice: For Intermediate Students. London: Longman, 1990.

MLA引文

Alexander, Louis George. Longman English Grammar Practice: For Intermediate Students. London: Longman, 1990.

警告：这些引文格式不一定是100％准确.