Hale, R. B. (1964). Drawing lessons from the great masters. Watson-Guptill.
Dyfyniad Arddull ChicagoHale, Robert Beverly. Drawing Lessons from the Great Masters. New York: Watson-Guptill, 1964.
Dyfyniad MLAHale, Robert Beverly. Drawing Lessons from the Great Masters. Watson-Guptill, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.