Cita APA

Widdowson, H. G. (1979). Teaching language as commnunication. GB: Oxford University Press, Great Britain.

Citación estilo Chicago

Widdowson, H. G. Teaching Language As Commnunication. GB: Oxford University Press, Great Britain, 1979.

Cita MLA

Widdowson, H. G. Teaching Language As Commnunication. GB: Oxford University Press, Great Britain, 1979.

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