Não informado. (2019). Newsletter. Institute of Inter-American Affairs, Health and Sanitation Division.
Chicago-referens (17:e uppl.)Não informado. Newsletter. Washington: Institute of Inter-American Affairs, Health and Sanitation Division, 2019.
MLA-referens (8:e uppl.)Não informado. Newsletter. Institute of Inter-American Affairs, Health and Sanitation Division, 2019.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.