Naber, T. (2004). English Knowhow: Student book and tests opener. Oxford: Oxford University Press.
Dyfyniad Arddull ChicagoNaber, Therese. English Knowhow: Student Book and Tests Opener. Oxford: Oxford University Press, 2004.
Dyfyniad MLANaber, Therese. English Knowhow: Student Book and Tests Opener. Oxford: Oxford University Press, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.