Harvard Business Review. (2009). The HBR list: Breakthrough ideas for 2009. Harvard Business.
Chicago Edition CitationHarvard Business Review. The HBR List: Breakthrough Ideas for 2009. Boston: Harvard Business, 2009.
Cita MLAHarvard Business Review. The HBR List: Breakthrough Ideas for 2009. Harvard Business, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.