Porter, M. E. (2008). On competition. Harvard Business School Press.
Chicagoスタイル(17版)引用形式Porter, Michael E. On Competition. Boston: Harvard Business School Press, 2008.
MLA(9版)引用形式Porter, Michael E. On Competition. Harvard Business School Press, 2008.
警告: この引用は必ずしも正確ではありません.