Cita APA (7th ed.)

McClellan, M., & Staiger, D. (1999). Comparing hospital quality at for-profit and not-for-profit hospitals. National Bureau of Economic Research.

Cita Chicago (17th ed.)

McClellan, Mark, i Douglas Staiger. Comparing Hospital Quality at For-profit and Not-for-profit Hospitals. Cambridge: National Bureau of Economic Research, 1999.

Cita MLA (9th ed.)

McClellan, Mark, i Douglas Staiger. Comparing Hospital Quality at For-profit and Not-for-profit Hospitals. National Bureau of Economic Research, 1999.