Porter Michael. (2004). Competitive strategy: Techniques for analyzing industries and competttive. Free Press.
Chicago Style (17th ed.) CitationPorter Michael. Competitive Strategy: Techniques for Analyzing Industries and Competttive. New York: Free Press, 2004.
MLA (9th ed.) CitationPorter Michael. Competitive Strategy: Techniques for Analyzing Industries and Competttive. Free Press, 2004.
Warning: These citations may not always be 100% accurate.