Waters, M., & Mary Waters; Alan Waters. (1995). Study Tasks in English Student's book. Cambridge,New York: Cambridge University Press.
Dyfyniad Arddull ChicagoWaters, Mary, và Mary Waters; Alan Waters. Study Tasks in English Student's Book. Cambridge,New York: Cambridge University Press, 1995.
Dyfyniad MLAWaters, Mary, và Mary Waters; Alan Waters. Study Tasks in English Student's Book. Cambridge,New York: Cambridge University Press, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.