Cita APA

Widdwson, H. G. (1983). Learning purpose and language use. London: Oxford University Press.

Citación estilo Chicago

Widdwson, H. G. Learning Purpose and Language Use. London: Oxford University Press, 1983.

Cita MLA

Widdwson, H. G. Learning Purpose and Language Use. London: Oxford University Press, 1983.