Cita APA

Widdwson, H. G. (1979). Explorations in applied linguistics. Oxford: Oxford University Press.

Citación estilo Chicago

Widdwson, H. G. Explorations in Applied Linguistics. Oxford: Oxford University Press, 1979.

Cita MLA

Widdwson, H. G. Explorations in Applied Linguistics. Oxford: Oxford University Press, 1979.