PORTER, M. E. (1980). COMPETITIVE STRATEGY: TECHNIQUES FOR ANALIZING INDUSTRIES AND COMPETITORS. THE FREE PRESS.
Chicago Style (17th ed.) CitationPORTER, MICHAEL E. COMPETITIVE STRATEGY: TECHNIQUES FOR ANALIZING INDUSTRIES AND COMPETITORS. THE FREE PRESS, 1980.
MLA (8th ed.) CitationPORTER, MICHAEL E. COMPETITIVE STRATEGY: TECHNIQUES FOR ANALIZING INDUSTRIES AND COMPETITORS. THE FREE PRESS, 1980.
Warning: These citations may not always be 100% accurate.