Doff, A., & Adrian Doff. (1988). Teach English: A training course for teachers : trainer's handbook. Cambridge,New York: Cambridge University Press in association with the British Council.
Citação norma ChicagoDoff, Adrian, và Adrian Doff. Teach English: A Training Course for Teachers : Trainer's Handbook. Cambridge,New York: Cambridge University Press in association with the British Council, 1988.
Citação norma MLADoff, Adrian, và Adrian Doff. Teach English: A Training Course for Teachers : Trainer's Handbook. Cambridge,New York: Cambridge University Press in association with the British Council, 1988.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.