Geoffrey Hirt. (1996). Study guide: Business a changing world. New York.
シカゴスタイル引用形Geoffrey Hirt. Study Guide: Business a Changing World. New York, 1996.
MLA引用形式Geoffrey Hirt. Study Guide: Business a Changing World. New York, 1996.
警告: この引用は必ずしも正確ではありません.