PORTER MICHAEL. (2004). COMPETITIVE STRATEGY: TECHNIQUES FOR ANALYZING INDUSTRIES AND COMPETITORS. THE FREE PRESS.
Chicago Style (17th ed.) CitationPORTER MICHAEL. COMPETITIVE STRATEGY: TECHNIQUES FOR ANALYZING INDUSTRIES AND COMPETITORS. NEW YORK: THE FREE PRESS, 2004.
MLA (9th ed.) CitationPORTER MICHAEL. COMPETITIVE STRATEGY: TECHNIQUES FOR ANALYZING INDUSTRIES AND COMPETITORS. THE FREE PRESS, 2004.
Warning: These citations may not always be 100% accurate.