Porter, M. E. (1996). On competition. Harvard Business School Pub.
Chicagoスタイル(17版)引用形式Porter, Michael E. On Competition. Boston: Harvard Business School Pub, 1996.
MLA(8版)引用形式Porter, Michael E. On Competition. Harvard Business School Pub, 1996.
警告: この引用は必ずしも正確ではありません.