PORTER, M. E. (1980). Competitive strategy tehniques for analyzing industries - Mickael E. Porter. The Free Pres.
Chicago Style (17th ed.) CitationPORTER, MICKAEL E. Competitive Strategy Tehniques for Analyzing Industries - Mickael E. Porter. The Free Pres, 1980.
MLA (8th ed.) CitationPORTER, MICKAEL E. Competitive Strategy Tehniques for Analyzing Industries - Mickael E. Porter. The Free Pres, 1980.
Warning: These citations may not always be 100% accurate.