Jones, L., & Alexander, R. (1990). International Business English: A course in communication skills. New York: Cambridge University Press.
Dyfyniad Arddull ChicagoJones, Leo., và Richard Alexander. International Business English: A Course in Communication Skills. New York: Cambridge University Press, 1990.
Dyfyniad MLAJones, Leo., và Richard Alexander. International Business English: A Course in Communication Skills. New York: Cambridge University Press, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.