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Lua i Stíl Chicago (17ú heag.)Gruber, Jonathan, agus Michael Lettau. How Elastic Is the Firm's Demand for Health Insurancen. Cambridge: National Bureau of Economic Research, 2000.
Lua MLA (9ú heag.)Gruber, Jonathan, agus Michael Lettau. How Elastic Is the Firm's Demand for Health Insurancen. National Bureau of Economic Research, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.