Hill, A. G., & Graham, W. J. (1988). West African sources of health and mortality information: A comparative review. International Development Research Centre.
Citazione stile Chigago Style (17a edizione)Hill, Allan G., e Wendy J. Graham. West African Sources of Health and Mortality Information: A Comparative Review. Ottawa, Ont: International Development Research Centre, 1988.
Citatione MLA (9a ed.)Hill, Allan G., e Wendy J. Graham. West African Sources of Health and Mortality Information: A Comparative Review. International Development Research Centre, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.