Naber, T. (2003). English knowhow: Student book and tests. Oxford: Oxford university press.
Dyfyniad Arddull ChicagoNaber, Therese. English Knowhow: Student Book and Tests. Oxford: Oxford university press, 2003.
Dyfyniad MLANaber, Therese. English Knowhow: Student Book and Tests. Oxford: Oxford university press, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.