Comfort, J., ...,, Rogerson, P., & Stott, T. (1994). Speaking Effectively: Developing Speaking Skills for Business English. Cambridge: Cambridge University.
Citação norma ChicagoComfort, Jeremy, ..., Pamela Rogerson, e Trish Stott. Speaking Effectively: Developing Speaking Skills for Business English. Cambridge: Cambridge University, 1994.
Citação norma MLAComfort, Jeremy, ..., Pamela Rogerson, e Trish Stott. Speaking Effectively: Developing Speaking Skills for Business English. Cambridge: Cambridge University, 1994.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.