Não informado. (2018). Monograph Series. Department of Health of the City of New York.
Chicago-referens (17:e uppl.)Não informado. Monograph Series. New York: Department of Health of the City of New York, 2018.
MLA-referens (8:e uppl.)Não informado. Monograph Series. Department of Health of the City of New York, 2018.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.