Clarke, D., & Macfarlane, M. (2006). Focus on Business (New edition.). Cornelsen.
Chicagoスタイル(17版)引用形式Clarke, David, , Michael Macfarlane. Focus on Business. New edition. Berlin: Cornelsen, 2006.
MLA(8版)引用形式Clarke, David, , Michael Macfarlane. Focus on Business. New edition. Cornelsen, 2006.
警告: この引用は必ずしも正確ではありません.