Berndt, E. R. (1997). Is price inflation different for the elderlyn: An empirical analysis of prescription drugs. National Bureau of Economic Research.
Citace podle Chicago (17th ed.)Berndt, E R. Is Price Inflation Different for the Elderlyn: An Empirical Analysis of Prescription Drugs. Cambridge: National Bureau of Economic Research, 1997.
Citace podle MLA (9th ed.)Berndt, E R. Is Price Inflation Different for the Elderlyn: An Empirical Analysis of Prescription Drugs. National Bureau of Economic Research, 1997.
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