Polley, R. B. (1995). Punished by rewards: The trouble with gold stars, incentive plans, a's, praise, and other bribes. Society, 32(5), 92-95.
Chicago-Zitierstil (17. Ausg.)Polley, Richard B. "Punished by Rewards: The Trouble with Gold Stars, Incentive Plans, a's, Praise, and Other Bribes." Society 32, no. 5 (1995): 92-95.
MLA-Zitierstil (9. Ausg.)Polley, Richard B. "Punished by Rewards: The Trouble with Gold Stars, Incentive Plans, a's, Praise, and Other Bribes." Society, vol. 32, no. 5, 1995, pp. 92-95.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
