APA (7th ed.) Citation

PORTER, M. E. (1980). Competitive Strategy. the Free Press.

Chicago Style (17th ed.) Citation

PORTER, Michael E. Competitive Strategy. the Free Press, 1980.

MLA (8th ed.) Citation

PORTER, Michael E. Competitive Strategy. the Free Press, 1980.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.