(2003). American headway; Student book - 2. Oxford: Oxford University Press.
Dyfyniad Arddull ChicagoAmerican Headway; Student Book - 2. Oxford: Oxford University Press, 2003.
Dyfyniad MLAAmerican Headway; Student Book - 2. Oxford: Oxford University Press, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.