Michael E.Porter. (1998). Competitive Strategy (NA.). A Division of Simon & Schuster, Inc.
Chicagoスタイル(17版)引用形式Michael E.Porter. Competitive Strategy. NA. New York: A Division of Simon & Schuster, Inc, 1998.
MLA(9版)引用形式Michael E.Porter. Competitive Strategy. NA. A Division of Simon & Schuster, Inc, 1998.
警告: この引用は必ずしも正確ではありません.