Frey, B. S. (2002). Happiness and economics: How the economy and institutions affect well-being. Princeton University Press.
Chicago-Zitierstil (17. Ausg.)Frey, Bruno S. Happiness and Economics: How the Economy and Institutions Affect Well-being. Princeton, N.J: Princeton University Press, 2002.
MLA-Zitierstil (9. Ausg.)Frey, Bruno S. Happiness and Economics: How the Economy and Institutions Affect Well-being. Princeton University Press, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.