Epstein, R., & Rogers, J. (2001). The big book of motivation games: Quick, fun activities for energizing people at work and at home. McGraw-Hill.
Chicago-Zitierstil (17. Ausg.)Epstein, Robert, und Jessica Rogers. The Big Book of Motivation Games: Quick, Fun Activities for Energizing People at Work and at Home. New York, NY: McGraw-Hill, 2001.
MLA-Zitierstil (8. Ausg.)Epstein, Robert, und Jessica Rogers. The Big Book of Motivation Games: Quick, Fun Activities for Energizing People at Work and at Home. McGraw-Hill, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.