Allen, H. B., & Campbell, R. N. (1972). Teaching English as a Second Language (2nd ed.). McGraw-Hill.
シカゴスタイル引用形Allen, Harold B., , Russell N. Campbell. Teaching English as a Second Language. 2nd ed. Bombay: McGraw-Hill, 1972.
MLA引用形式Allen, Harold B., , Russell N. Campbell. Teaching English as a Second Language. 2nd ed. McGraw-Hill, 1972.
警告: この引用は必ずしも正確ではありません.