Knight, J., & Gunatilaka, R. (2009). Income, Aspirations and the Hedonic Treadmill in a Poor Society. Department of Economics (University of Oxford).
Chicago-referens (17:e uppl.)Knight, J., och R. Gunatilaka. Income, Aspirations and the Hedonic Treadmill in a Poor Society. Department of Economics (University of Oxford), 2009.
MLA-referens (9:e uppl.)Knight, J., och R. Gunatilaka. Income, Aspirations and the Hedonic Treadmill in a Poor Society. Department of Economics (University of Oxford), 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.