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.
Παραπομπή σε μορφή Chicago (17η εκδ.)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.
Παραπομπή σε μορφή MLA (8th εκδ.)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.