Hill, A. G., & Graham, W. J. (1988). West African sources of health and mortality information: A comparative review. International Development Research Centre.
Citação norma ChicagoHill, Allan G., and Wendy J. Graham. West African Sources of Health and Mortality Information: A Comparative Review. Ottawa, Ont: International Development Research Centre, 1988.
Citação norma MLAHill, Allan G., and Wendy J. Graham. West African Sources of Health and Mortality Information: A Comparative Review. International Development Research Centre, 1988.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.