COHEN, M. D., & MARCH, J. G. (1986). Leadership and ambiguity: The American college president.-- ed.2. Harvard Business School Press.

COHEN, Michael D., and James G. MARCH. Leadership and Ambiguity: The American College President.-- Ed.2. Boston: Harvard Business School Press, 1986.

COHEN, Michael D., and James G. MARCH. Leadership and Ambiguity: The American College President.-- Ed.2. Harvard Business School Press, 1986.