Billows, F. L. (1961). The techniques of language teaching. Longman.
Chicagoスタイル(17版)引用形式Billows, F. L. The Techniques of Language Teaching. London: Longman, 1961.
MLA(9版)引用形式Billows, F. L. The Techniques of Language Teaching. Longman, 1961.
警告: この引用は必ずしも正確ではありません.