APA
Levinson A., National Bureau of Economic Research, . (2013). Happiness, behavioral economics and public policy. Cambridge: NBER.
Chicago
Levinson Arik, National Bureau of Economic Research, . 2013. Happiness, behavioral economics and public policy. Cambridge: NBER.
Harvard
Levinson A., National Bureau of Economic Research, . (2013). Happiness, behavioral economics and public policy. Cambridge: NBER.
MLA
Levinson Arik, National Bureau of Economic Research, . Happiness, behavioral economics and public policy. Cambridge: NBER. 2013.