Banner, J. M., & Cannon, H. C. (1999). The elements of learning. Yale University Press.
Cita Chicago (17th ed.)Banner, James M., i Harold C. Cannon. The Elements of Learning. New Haven: Yale University Press, 1999.
Cita MLA (9th ed.)Banner, James M., i Harold C. Cannon. The Elements of Learning. Yale University Press, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.