PORTER, M. E. (1980). Competitive Strategy. the Free Press.
Chicagoスタイル(17版)引用形式PORTER, Michael E. Competitive Strategy. the Free Press, 1980.
MLA(8版)引用形式PORTER, Michael E. Competitive Strategy. the Free Press, 1980.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式