Catford, J. C. (1969). Language Learning: A Journal of Applied Linguistics. Research Club in Language Learning.
Dyfyniad Arddull ChicagoCatford, J. C. Language Learning: A Journal of Applied Linguistics. Michigan: Research Club in Language Learning, 1969.
Dyfyniad MLACatford, J. C. Language Learning: A Journal of Applied Linguistics. Research Club in Language Learning, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.