Gibson, W. (2008). The miracle worker (First edition.). Scribner.
Dyfyniad Arddull ChicagoGibson, William. The Miracle Worker. First edition. New York: Scribner, 2008.
Dyfyniad MLAGibson, William. The Miracle Worker. First edition. Scribner, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.