Comfort, J., Rogerson, P., Stott, T., & Utley, D. (1994). Speaking effectively: Developing speaking skills for business English. Cambridge University Press.
Chicago Style (17th ed.) CitationComfort, Jeremy, Pamela Rogerson, Trish Stott, and Derek Utley. Speaking Effectively: Developing Speaking Skills for Business English. New York: Cambridge University Press, 1994.
MLA (8th ed.) CitationComfort, Jeremy, et al. Speaking Effectively: Developing Speaking Skills for Business English. Cambridge University Press, 1994.
Warning: These citations may not always be 100% accurate.