Lincoln, D. F. (1886). The sanitary conditions and necessities of school-houses and school life. Republican Press Association.
Chicago-viite (17. p.)Lincoln, David F. The Sanitary Conditions and Necessities of School-houses and School Life. Concord, N.H.: Republican Press Association, 1886.
MLA-viite (8. p.)Lincoln, David F. The Sanitary Conditions and Necessities of School-houses and School Life. Republican Press Association, 1886.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.