Doff, A., & Jones, C. (2000). Language in use: Pre-intermediate (New edition.). Cambridge University Press.
Dyfyniad Arddull ChicagoDoff, Adrian, and Christopher Jones. Language in Use: Pre-intermediate. New edition. Cambridge: Cambridge University Press, 2000.
Dyfyniad MLADoff, Adrian, and Christopher Jones. Language in Use: Pre-intermediate. New edition. Cambridge University Press, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.