Knight, J., & Gunatilaka, R. (2009). Is Happiness Infectious? Department of Economics (University of Oxford).
Chicagoスタイル(17版)引用形式Knight, J., , R. Gunatilaka. Is Happiness Infectious? Department of Economics (University of Oxford), 2009.
MLA(9版)引用形式Knight, J., , R. Gunatilaka. Is Happiness Infectious? Department of Economics (University of Oxford), 2009.
警告: この引用は必ずしも正確ではありません.