Dyfyniad APA

Cooper, R., & Johri, A. (1999). Learning by doing and aggregate fluctuations. National Bureau of Economic Research.

Dyfyniad Arddull Chicago

Cooper, Russell, and Alok Johri. Learning by Doing and Aggregate Fluctuations. Cambridge: National Bureau of Economic Research, 1999.

Dyfyniad MLA

Cooper, Russell, and Alok Johri. Learning by Doing and Aggregate Fluctuations. National Bureau of Economic Research, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.