Não informado. (1912). Tropical diseases bulletin. Bureau of Hygiene and Tropical Diseases.
Chicago-viite (17. p.)Não informado. Tropical Diseases Bulletin. London: Bureau of Hygiene and Tropical Diseases, 1912.
MLA-viite (8. p.)Não informado. Tropical Diseases Bulletin. Bureau of Hygiene and Tropical Diseases, 1912.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.