Cita APA

Porter, M. E. (1985). Competitive advantage: Creating and sustaining superior performance.

Chicago Edition Citation

Porter, Michael E. Competitive Advantage: Creating and Sustaining Superior Performance. The free press, 1985.

Cita MLA

Porter, Michael E. Competitive Advantage: Creating and Sustaining Superior Performance. 1985.

Atenció: Aquestes cites poden no estar 100% correctes.