Grant, D. (2004). Business focus: Class cassette. Oxford: Oxford university press.
シカゴスタイル引用形Grant, David. Business Focus: Class Cassette. Oxford: Oxford university press, 2004.
MLA引用形式Grant, David. Business Focus: Class Cassette. Oxford: Oxford university press, 2004.
警告: この引用は必ずしも正確ではありません.