Cita APA (7a ed.)

Widdowson, H. (1984). Explorations in applied linguistics 2. Oxford University Press.

Cita Chicago Style (17a ed.)

Widdowson, H.G. Explorations in Applied Linguistics 2. Oxford: Oxford University Press, 1984.

Cita MLA (9a ed.)

Widdowson, H.G. Explorations in Applied Linguistics 2. Oxford University Press, 1984.