Newland, K. (1981). Infant mortality and the health of societies. Worldwatch Institute.
Cita Chicago Style (17a ed.)Newland, Kathleen. Infant Mortality and the Health of Societies. Washington, D.C.: Worldwatch Institute, 1981.
Cita MLA (8a ed.)Newland, Kathleen. Infant Mortality and the Health of Societies. Worldwatch Institute, 1981.
Precaución: Estas citas no son 100% exactas.