Cropper, M. L., & Subramanian, U. (1995). Public choices between lifesaving programs: How important are lives saved? World Bank.
Lua i Stíl Chicago (17ú heag.)Cropper, Maureen L., agus Uma Subramanian. Public Choices Between Lifesaving Programs: How Important Are Lives Saved? Washington, D.C: World Bank, 1995.
Lua MLA (9ú heag.)Cropper, Maureen L., agus Uma Subramanian. Public Choices Between Lifesaving Programs: How Important Are Lives Saved? World Bank, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.