Não informado. (1928). American school and university. Educational Division of North American.
Chicago-viite (17. p.)Não informado. American School and University. Philadelphia, Pa: Educational Division of North American, 1928.
MLA-viite (8. p.)Não informado. American School and University. Educational Division of North American, 1928.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.