Παραπομπή APA

Harvard Business School Publishing. (2007). Harvard business review on the tests of a leader. Harvard Business School.

Παραπομπή Chicago Style

Harvard Business School Publishing. Harvard Business Review on the Tests of a Leader. Boston: Harvard Business School, 2007.

Παραπομπή MLA

Harvard Business School Publishing. Harvard Business Review on the Tests of a Leader. Harvard Business School, 2007.