Jones, L., & Von Baeyer, C. (1983). Functions of American English: Communication activities for the classroom : student's book. Cambridge University Press.
Dyfyniad Arddull ChicagoJones, Leo, and C. Von Baeyer. Functions of American English: Communication Activities for the Classroom : Student's Book. Cambridge [Cambridgeshire] ; New York: Cambridge University Press, 1983.
Dyfyniad MLAJones, Leo, and C. Von Baeyer. Functions of American English: Communication Activities for the Classroom : Student's Book. Cambridge University Press, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.