New York Association for Improving the Condition of the Poor. Bureau of Public Health and Hygiene & Armstrong, D. B. (1913). Flies and diarrheal disease.
Citace podle Chicago (17th ed.)New York Association for Improving the Condition of the Poor. Bureau of Public Health and Hygiene a Donald B. Armstrong. Flies and Diarrheal Disease. New York : New York Association for Improving the Condition of the Poor, 1913.
Citace podle MLA (8th ed.)New York Association for Improving the Condition of the Poor. Bureau of Public Health and Hygiene a Donald B. Armstrong. Flies and Diarrheal Disease. 1913.
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