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.
警告：这些引文格式不一定是100％准确.