Hartley, B. (1995). New American streamline: Departures : An intensive American English series for beginners. New York: Oxford University Press.
Dyfyniad Arddull ChicagoHartley, Bernard. New American Streamline: Departures : An Intensive American English Series for Beginners. New York: Oxford University Press, 1995.
Dyfyniad MLAHartley, Bernard. New American Streamline: Departures : An Intensive American English Series for Beginners. New York: Oxford University Press, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.