Não informado. (1939). College English. National Council of Teachers of English.
Chicago-viite (17. p.)Não informado. College English. Urbana, Ill: National Council of Teachers of English, 1939.
MLA-viite (8. p.)Não informado. College English. National Council of Teachers of English, 1939.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.