Citazione Stile APA (7a Edizione)

Gredler, M. E. (2001). Learning and instruction: Theory into practice (4th ed.). Merill.

Citazione stile Chigago Style (17a edizione)

Gredler, Margaret E. Learning and Instruction: Theory into Practice. 4th ed. Upper Saddle River, N.J: Merill, 2001.

Citatione MLA (9a ed.)

Gredler, Margaret E. Learning and Instruction: Theory into Practice. 4th ed. Merill, 2001.