APA引文

L G Alexander. (1992). Longman English grammar. London: Longman.

Trích dẫn kiểu Chicago

L G Alexander. Longman English Grammar. London: Longman, 1992.

MLA引文

L G Alexander. Longman English Grammar. London: Longman, 1992.

警告:这些引文格式不一定是100%准确.