Harold B. Allen. (1965). Teaching English as a second language. New York: McGraw-Hill.
シカゴスタイル引用形Harold B. Allen. Teaching English As a Second Language. New York: McGraw-Hill, 1965.
MLA引用形式Harold B. Allen. Teaching English As a Second Language. New York: McGraw-Hill, 1965.
警告: この引用は必ずしも正確ではありません.