APA引文

Ur, P. (1991). A course in language teaching: Practice and theory. Cambridge, NY: Cambridge University Press.

Trích dẫn kiểu Chicago

Ur, Penny. A Course in Language Teaching: Practice and Theory. Cambridge, NY: Cambridge University Press, 1991.

MLA引文

Ur, Penny. A Course in Language Teaching: Practice and Theory. Cambridge, NY: Cambridge University Press, 1991.

警告：这些引文格式不一定是100％准确.