Jones, L. (2008). Let's talk 2. Cambridge (New York): Cambridge University Press.
Dyfyniad Arddull ChicagoJones, Leon. Let's Talk 2. Cambridge (New York): Cambridge University Press, 2008.
Dyfyniad MLAJones, Leon. Let's Talk 2. Cambridge (New York): Cambridge University Press, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.