Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Widdowson, H. G. Explorations in Applied Linguistics. Londres, Inglaterra: Oxford University Press, 1979.

Cita MLA (9a ed.)

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