League of Nations. Secretariat. Health Section & League of Nations. Health Organization. Epidemiological intelligence: Statistics of notifiable diseases. The League.
Chicago-referens (17:e uppl.)League of Nations. Secretariat. Health Section och League of Nations. Health Organization. Epidemiological Intelligence: Statistics of Notifiable Diseases. Geneva: The League.
MLA-referens (8:e uppl.)League of Nations. Secretariat. Health Section och League of Nations. Health Organization. Epidemiological Intelligence: Statistics of Notifiable Diseases. The League.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.