Berndt, E. R. (1997). Is price inflation different for the elderlyn: An empirical analysis of prescription drugs. National Bureau of Economic Research.
Citação norma ChicagoBerndt, E R. Is Price Inflation Different for the Elderlyn: An Empirical Analysis of Prescription Drugs. Cambridge: National Bureau of Economic Research, 1997.
Citação norma MLABerndt, E R. Is Price Inflation Different for the Elderlyn: An Empirical Analysis of Prescription Drugs. National Bureau of Economic Research, 1997.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.