Cita APA

Widdowson, H. G. (1991). Aspects of language teaching. Oxford: Oxford University Press.

Chicago Style Citation

Widdowson, H. G. Aspects of Language Teaching. Oxford: Oxford University Press, 1991.

Cita MLA

Widdowson, H. G. Aspects of Language Teaching. Oxford: Oxford University Press, 1991.

Atenció: Aquestes cites poden no estar 100% correctes.