Banner, J. M., & Cannon, H. C. (1999). The elements of learning. Yale University Press.
Dyfyniad Arddull ChicagoBanner, James M., and Harold C. Cannon. The Elements of Learning. New Haven: Yale University Press, 1999.
Dyfyniad MLABanner, James M., and Harold C. Cannon. The Elements of Learning. Yale University Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.