Wass, D. L., Drucker, P. F., Christensen, C. M., Coutu, D. L., Oncken, W., & Wass, D. L. HBR's 10 must reads on managing yourself. Harvard Business Review Press.

Wass, Donald L., Peter F. Drucker, Clayton M. Christensen, Diane L. Coutu, William Oncken, và Donald L.  Wass. HBR's 10 Must Reads On Managing Yourself. Harvard Business Review Press.

Wass, Donald L., et al. HBR's 10 Must Reads On Managing Yourself. Harvard Business Review Press.