Ur, P. A couse in language teaching: Practice and theory. Cambridge: Cambridge Univesity press.
Trích dẫn kiểu ChicagoUr, Penny. A Couse in Language Teaching: Practice and Theory. Cambridge: Cambridge Univesity press.
MLA引文Ur, Penny. A Couse in Language Teaching: Practice and Theory. Cambridge: Cambridge Univesity press.
警告:這些引文格式不一定是100%准確.