Não informado. Research in Public Health Administration. Johns Hopkins University, School of Hygiene and Public Health.
Citação do estilo Chicago (17ª ed.)Não informado. Research in Public Health Administration. Baltimore, Md: Johns Hopkins University, School of Hygiene and Public Health.
Citação MLA (8ª ed.)Não informado. Research in Public Health Administration. Johns Hopkins University, School of Hygiene and Public Health.
Atenció: Aquestes cites poden no estar 100% correctes.