Long, M. H., & Doughty, C. (2009). The handbook of language teaching. Wiley-Blackwell.
Dyfyniad Arddull ChicagoLong, Michael H., and Catherine Doughty. The Handbook of Language Teaching. Chichester, U.K. ; Malden, MA: Wiley-Blackwell, 2009.
Dyfyniad MLALong, Michael H., and Catherine Doughty. The Handbook of Language Teaching. Wiley-Blackwell, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.