Παραπομπή APA

Harward Business School Press. (2007). Harvard lessons learned , Straight talk from world's top business leaders: Leading by example.

Παραπομπή Chicago Style

Harward Business School Press. Harvard Lessons Learned , Straight Talk from World's Top Business Leaders: Leading by Example. Harvard Business School Press, 2007.

Παραπομπή MLA

Harward Business School Press. Harvard Lessons Learned , Straight Talk from World's Top Business Leaders: Leading by Example. 2007.