Kohn, A. (2018). Punished by rewards: The trouble with gold stars, incentive plans, A's, praise, and other bribes (Twenty-fifth anniversary edition.). Mariner Books Houghton Mifflin Harcourt.
Chicago-Zitierstil (17. Ausg.)Kohn, Alfie. Punished by Rewards: The Trouble with Gold Stars, Incentive Plans, A's, Praise, and Other Bribes. Twenty-fifth anniversary edition. Boston ; New York: Mariner Books Houghton Mifflin Harcourt, 2018.
MLA-Zitierstil (9. Ausg.)Kohn, Alfie. Punished by Rewards: The Trouble with Gold Stars, Incentive Plans, A's, Praise, and Other Bribes. Twenty-fifth anniversary edition. Mariner Books Houghton Mifflin Harcourt, 2018.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.