Banner, J. M., & Cannon, H. C. (1999). The elements of learning. Yale University Press.
Lua i Stíl Chicago (17ú heag.)Banner, James M., agus Harold C. Cannon. The Elements of Learning. New Haven, Conn: Yale University Press, 1999.
Lua MLA (9ú heag.)Banner, James M., agus Harold C. Cannon. The Elements of Learning. Yale University Press, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.