League of Nations. Secretariat. Health Section & League of Nations. Health Organization. Epidemiological intelligence: Statistics of notifiable diseases. The League.
Citace podle Chicago (17th ed.)League of Nations. Secretariat. Health Section a League of Nations. Health Organization. Epidemiological Intelligence: Statistics of Notifiable Diseases. Geneva: The League.
Citace podle MLA (8th ed.)League of Nations. Secretariat. Health Section a League of Nations. Health Organization. Epidemiological Intelligence: Statistics of Notifiable Diseases. The League.
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