Citazione APA

Ulrich, D., Zenger, J., & Smallwood, N. (1999). Results-based leadership. Harvard Business School.

Stile di citazione Chicago

Ulrich, Dave, Jack Zenger, e Norm Smallwood. Results-based Leadership. Boston, MA: Harvard Business School, 1999.

Citazione MLA

Ulrich, Dave, et al. Results-based Leadership. Harvard Business School, 1999.