Rogerson, P., Stott, T., Utley, D., & Comfort, J. (1994). Speaking effectively: Developing speaking skills for business English. Cambridge: Cambridge University Press.
Chicago-стиль цитированияRogerson, Pamela., Trish Stott, Derek Utley, và Jeremy Comfort. Speaking Effectively: Developing Speaking Skills for Business English. Cambridge: Cambridge University Press, 1994.
MLA-цитированиеRogerson, Pamela., Trish Stott, Derek Utley, và Jeremy Comfort. Speaking Effectively: Developing Speaking Skills for Business English. Cambridge: Cambridge University Press, 1994.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.