Newell, K. W. (1975). Health by the people. World Health Organization.
Cita Chicago Style (17a ed.)Newell, Kenneth W. Health by the People. Geneva: World Health Organization, 1975.
Cita MLA (9a ed.)Newell, Kenneth W. Health by the People. World Health Organization, 1975.
Precaución: Estas citas no son 100% exactas.