National Bureau of Economic Research. NBER working paper series. National Bureau of Economic Research,.
Citazione stile Chigago Style (17a edizione)National Bureau of Economic Research. NBER Working Paper Series. [Stanford, CA]: National Bureau of Economic Research,.
Citatione MLA (8a ed.)National Bureau of Economic Research. NBER Working Paper Series. National Bureau of Economic Research,.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.