APA引文

Duckworth, M. (1995). Grammar and practice. Oxford: Oxford University Press.

Trích dẫn kiểu Chicago

Duckworth, Michael. Grammar and Practice. Oxford: Oxford University Press, 1995.

MLA引文

Duckworth, Michael. Grammar and Practice. Oxford: Oxford University Press, 1995.

警告：這些引文格式不一定是100％准確.