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