Hutchinson, T. (1999). Lifetime: Level 3 teacher's book. Oxford: Oxford University Press.
Dyfyniad Arddull ChicagoHutchinson, Tom. Lifetime: Level 3 Teacher's Book. Oxford: Oxford University Press, 1999.
Dyfyniad MLAHutchinson, Tom. Lifetime: Level 3 Teacher's Book. Oxford: Oxford University Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.