Lado, R. (1964). Language teaching: A scientific approach. Mc Graw Hill.
Dyfyniad Arddull ChicagoLado, Robert. Language Teaching: A Scientific Approach. New York: Mc Graw Hill, 1964.
Dyfyniad MLALado, Robert. Language Teaching: A Scientific Approach. Mc Graw Hill, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.