Beer, M., Eisenstat, R., Foote, N., Fredberg, t., & Beer, M. Higher ambition: How great leaders create economic and social value /Michael Beer ... [et al.]. Harvard Business Review Press.

Beer, Michael, Russell Eisenstat, Nathaniel Foote, tobias Fredberg, và Michael  Beer. Higher Ambition: How Great Leaders Create Economic and Social Value /Michael Beer ... [et Al.]. Harvard Business Review Press.

Beer, Michael, et al. Higher Ambition: How Great Leaders Create Economic and Social Value /Michael Beer ... [et Al.]. Harvard Business Review Press.