Παραπομπή APA

Harvard Business Review. (2009). The HBR list: Breakthrough ideas for 2009. Harvard Business.

Παραπομπή Chicago Style

Harvard Business Review. The HBR List: Breakthrough Ideas for 2009. Boston: Harvard Business, 2009.

Παραπομπή MLA

Harvard Business Review. The HBR List: Breakthrough Ideas for 2009. Harvard Business, 2009.