APA ציטוט

Knight, J., & Gunatilaka, R. (2009). Is Happiness Infectious? Department of Economics (University of Oxford).

Chicago Style (17th ed.) Citation

Knight, J., and R. Gunatilaka. Is Happiness Infectious? Department of Economics (University of Oxford), 2009.

ציטוט MLA

Knight, J., and R. Gunatilaka. Is Happiness Infectious? Department of Economics (University of Oxford), 2009.