Cita APA

Comfort, J., ...,, Rogerson, P., & Stott, T. (1994). Speaking Effectively: Developing Speaking Skills for Business English. Cambridge: Cambridge University.

Citación estilo Chicago

Comfort, Jeremy, ..., Pamela Rogerson, y Trish Stott. Speaking Effectively: Developing Speaking Skills for Business English. Cambridge: Cambridge University, 1994.

Cita MLA

Comfort, Jeremy, ..., Pamela Rogerson, y Trish Stott. Speaking Effectively: Developing Speaking Skills for Business English. Cambridge: Cambridge University, 1994.