Cromley, E. K., & McLafferty, S. (2002). GIS and public health. Guilford Press.
Cita Chicago Style (17a ed.)Cromley, Ellen K., y Sara McLafferty. GIS and Public Health. New York: Guilford Press, 2002.
Cita MLA (8a ed.)Cromley, Ellen K., y Sara McLafferty. GIS and Public Health. Guilford Press, 2002.
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