APA引文

George Yule. (1998). Explaining English grammar. Oxford: Oxford Univ. Press.

Trích dẫn kiểu Chicago

George Yule. Explaining English Grammar. Oxford: Oxford Univ. Press, 1998.

MLA引文

George Yule. Explaining English Grammar. Oxford: Oxford Univ. Press, 1998.

警告：這些引文格式不一定是100％准確.