Gredler, M. E. (1992). Learning and instruction: Theory into practice (2nd ed.). Macmillan ; Maxwell Macmillan Canada ; Maxwell Macmillan International.

Gredler, Margaret E. Learning and Instruction: Theory into Practice. 2nd ed. New York : Toronto : New York: Macmillan ; Maxwell Macmillan Canada ; Maxwell Macmillan International, 1992.

Gredler, Margaret E. Learning and Instruction: Theory into Practice. 2nd ed. Macmillan ; Maxwell Macmillan Canada ; Maxwell Macmillan International, 1992.