APA

Lee W. R. (. R., Coppen H. E., Whitby M. & Oxford University Press. (1973). Simple audio-visual aids to foreign-language teaching. London: Oxford University Press.

Chicago

Lee W R (William Rowland), Coppen Helen Elizabeth, Whitby Mary and Oxford University Press. 1973. Simple audio-visual aids to foreign-language teaching. London: Oxford University Press.

Harvard

Lee W. R. (. R., Coppen H. E., Whitby M. and Oxford University Press. (1973). Simple audio-visual aids to foreign-language teaching. London: Oxford University Press.

MLA

Lee W R (William Rowland), Coppen Helen Elizabeth, Whitby Mary and Oxford University Press. Simple audio-visual aids to foreign-language teaching. London: Oxford University Press. 1973.