Gagné, R. M., & Driscoll, M. P. (1988). Essentials of learning for instruction (Second edition.). Prentice Hall.
Dyfyniad Arddull ChicagoGagné, Robert M., and Marcy Perkins Driscoll. Essentials of Learning for Instruction. Second edition. Englewood Cliffs, N.J.: Prentice Hall, 1988.
Dyfyniad MLAGagné, Robert M., and Marcy Perkins Driscoll. Essentials of Learning for Instruction. Second edition. Prentice Hall, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.