New York Association for Improving the Condition of the Poor. Bureau of Public Health and Hygiene & Armstrong, D. B. (1913). Flies and diarrheal disease.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)New York Association for Improving the Condition of the Poor. Bureau of Public Health and Hygiene و Donald B. Armstrong. Flies and Diarrheal Disease. New York : New York Association for Improving the Condition of the Poor, 1913.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)New York Association for Improving the Condition of the Poor. Bureau of Public Health and Hygiene و Donald B. Armstrong. Flies and Diarrheal Disease. 1913.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.