Joanna Cooke. (2002). New Headway English Course: Upper-intermediate (Teacher's Resource Book). Oxford: Oxford University Press.
Dyfyniad Arddull ChicagoJoanna Cooke. New Headway English Course: Upper-intermediate (Teacher's Resource Book). Oxford: Oxford University Press, 2002.
Dyfyniad MLAJoanna Cooke. New Headway English Course: Upper-intermediate (Teacher's Resource Book). Oxford: Oxford University Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.