Oxenden, C., Seligson, P., & Latham-Koenig, C. (2005). New English file: Pre - Intermediate : MultiPACK A. Oxford: Oxford Univ. Press.
Dyfyniad Arddull ChicagoOxenden, Clive, Paul Seligson, và Chiristina Latham-Koenig. New English File: Pre - Intermediate : MultiPACK A. Oxford: Oxford Univ. Press, 2005.
Dyfyniad MLAOxenden, Clive, Paul Seligson, và Chiristina Latham-Koenig. New English File: Pre - Intermediate : MultiPACK A. Oxford: Oxford Univ. Press, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.