Soars, J., & Soars, L. (1989). Headway, Advanced: Workbook. Oxford: Oxford University Press.
シカゴスタイル引用形Soars, John, , Liz Soars. Headway, Advanced: Workbook. Oxford: Oxford University Press, 1989.
MLA引用形式Soars, John, , Liz Soars. Headway, Advanced: Workbook. Oxford: Oxford University Press, 1989.
警告: この引用は必ずしも正確ではありません.