Cutler, D. M. (1999). Pricing heart attack treatments. National Bureau of Economic Research.
Cita Chicago (17th ed.)Cutler, David M. Pricing Heart Attack Treatments. Cambridge: National Bureau of Economic Research, 1999.
Cita MLA (9th ed.)Cutler, David M. Pricing Heart Attack Treatments. National Bureau of Economic Research, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.