Cooper, R., & Johri, A. (1999). Learning by doing and aggregate fluctuations. National Bureau of Economic Research.
芝加哥风格引文Cooper, Russell, 与 Alok Johri. Learning by Doing and Aggregate Fluctuations. Cambridge: National Bureau of Economic Research, 1999.
MLA引文Cooper, Russell, 与 Alok Johri. Learning by Doing and Aggregate Fluctuations. National Bureau of Economic Research, 1999.
警告：这些引文格式不一定是100％准确.