Feldstein, P. J. (1983). Health care economics (2nd ed.). Wiley.
Lua i Stíl Chicago (17ú heag.)Feldstein, Paul J. Health Care Economics. 2nd ed. New York: Wiley, 1983.
Lua MLA (9ú heag.)Feldstein, Paul J. Health Care Economics. 2nd ed. Wiley, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.