Cooper, R., & Johri, A. (1999). Learning by doing and aggregate fluctuations. National Bureau of Economic Research.
Chicago-referens (17:e uppl.)Cooper, Russell, och Alok Johri. Learning by Doing and Aggregate Fluctuations. Cambridge: National Bureau of Economic Research, 1999.
MLA-referens (9:e uppl.)Cooper, Russell, och Alok Johri. Learning by Doing and Aggregate Fluctuations. National Bureau of Economic Research, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.