Não informado. (1939). College English. National Council of Teachers of English.
Chicagoスタイル(17版)引用形式Não informado. College English. Urbana, Ill: National Council of Teachers of English, 1939.
MLA(8版)引用形式Não informado. College English. National Council of Teachers of English, 1939.
警告: この引用は必ずしも正確ではありません.