APA(7版)引用形式

Porter, M. E. (1998). On competition. Harvard Businesss School Publishing.

Chicagoスタイル(17版)引用形式

Porter, Michael E. On Competition. Boston: Harvard Businesss School Publishing, 1998.

MLA(9版)引用形式

Porter, Michael E. On Competition. Harvard Businesss School Publishing, 1998.

警告: この引用は必ずしも正確ではありません.