Cita APA

Widdowson, H. (1984). Teaching language as communication ([5th impr.].). Oxford: Oxford University Press.

Citación estilo Chicago

Widdowson, H.G. Teaching Language As Communication. [5th impr.]. Oxford: Oxford University Press, 1984.

Cita MLA

Widdowson, H.G. Teaching Language As Communication. [5th impr.]. Oxford: Oxford University Press, 1984.

Precaución: Estas citas no son 100% exactas.