Não informado. (1946). English Language Teaching. Oxford University Press.
Chicagoスタイル(17版)引用形式Não informado. English Language Teaching. London: Oxford University Press, 1946.
MLA(8版)引用形式Não informado. English Language Teaching. Oxford University Press, 1946.
警告: この引用は必ずしも正確ではありません.