Fries, C. (1945). Teaching and learning english as a foreing languaje. University of Michigan.
Chicagoスタイル(17版)引用形式Fries, Charles. Teaching and Learning English as a Foreing Languaje. Ann Arbor: University of Michigan, 1945.
MLA(9版)引用形式Fries, Charles. Teaching and Learning English as a Foreing Languaje. University of Michigan, 1945.
警告: この引用は必ずしも正確ではありません.