Brewer, I. W. (1909). Rural hygiene: A hand-book of sanitation designed for the use of students in the agricultural schools and colleges, and for the residents of the rural districts of the United States. J.B. Lippincott company.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Brewer, Isaac Williams. Rural Hygiene: A Hand-book of Sanitation Designed for the Use of Students in the Agricultural Schools and Colleges, and for the Residents of the Rural Districts of the United States. Philadelphia, London: J.B. Lippincott company, 1909.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Brewer, Isaac Williams. Rural Hygiene: A Hand-book of Sanitation Designed for the Use of Students in the Agricultural Schools and Colleges, and for the Residents of the Rural Districts of the United States. J.B. Lippincott company, 1909.