Magretta, J. (2012). Understanding Michael Porter. Harvard Business School.
Chicagoスタイル(17版)引用形式Magretta, Joan. Understanding Michael Porter. Boston: Harvard Business School, 2012.
MLA(9版)引用形式Magretta, Joan. Understanding Michael Porter. Harvard Business School, 2012.
警告: この引用は必ずしも正確ではありません.