Abell, D. F. (1993). Managing with dual strategies. The free press.
シカゴスタイル引用形Abell, Derek F. Managing with Dual Strategies. New York: The free press, 1993.
MLA引用形式Abell, Derek F. Managing with Dual Strategies. The free press, 1993.
警告: この引用は必ずしも正確ではありません.