Newland, K. (1981). Infant mortality and the health of societies. Worldwatch Institute.
Lua i Stíl Chicago (17ú heag.)Newland, Kathleen. Infant Mortality and the Health of Societies. Washington, D.C.: Worldwatch Institute, 1981.
Lua MLA (8ú heag.)Newland, Kathleen. Infant Mortality and the Health of Societies. Worldwatch Institute, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.