Goldstein, E. A. (1992). The effects of extrinsic rewards, evaluation, and feedback on intrinsic motivation and learning from instruction. Univ. Microfilms Internat.
Chicago-Zitierstil (17. Ausg.)Goldstein, Esther A. The Effects of Extrinsic Rewards, Evaluation, and Feedback on Intrinsic Motivation and Learning from Instruction. Ann Arbor, Mich: Univ. Microfilms Internat, 1992.
MLA-Zitierstil (9. Ausg.)Goldstein, Esther A. The Effects of Extrinsic Rewards, Evaluation, and Feedback on Intrinsic Motivation and Learning from Instruction. Univ. Microfilms Internat, 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.