APA-viite (7. p.)

Widdowson, H. G. (2012). Teaching language as communication. Oxford University Press.

Chicago-viite (17. p.)

Widdowson, H. G. Teaching Language as Communication. Oxford: Oxford University Press, 2012.

MLA-viite (8. p.)

Widdowson, H. G. Teaching Language as Communication. Oxford University Press, 2012.