APA
Helliwell J. F. e. a., National Bureau of Economic Research, . (2020). Building an epidemiology of happiness. Cambridge: NBER.
Chicago
Helliwell John F et al, National Bureau of Economic Research, . 2020. Building an epidemiology of happiness. Cambridge: NBER.
Harvard
Helliwell J. F. e. a., National Bureau of Economic Research, . (2020). Building an epidemiology of happiness. Cambridge: NBER.
MLA
Helliwell John F et al, National Bureau of Economic Research, . Building an epidemiology of happiness. Cambridge: NBER. 2020.
TextSeries: NBER Working Papers ; 28095Publication details: Cambridge NBER 2020Description: 21pSubject(s): Online resources:
Working Papers (Electronic)
