Krishna, K. (1985). Protection and the product line: Monopoly and product quality. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Krishna, Kala. Protection and the Product Line: Monopoly and Product Quality. Cambridge, Mass: National Bureau of Economic Research, 1985.
MLA-Zitierstil (9. Ausg.)Krishna, Kala. Protection and the Product Line: Monopoly and Product Quality. National Bureau of Economic Research, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.