APA-referens (7:e uppl.)

Ulrich, D., Smallwood, W. N., & Sweetman, K. (2008). The Leadership Code: Five Rules to Lead by. Harvard Business Review Press.

Chicago-referens (17:e uppl.)

Ulrich, David, W. Norm Smallwood, och Kate Sweetman. The Leadership Code: Five Rules to Lead by. Boston, Massachesutts: Harvard Business Review Press, 2008.

MLA-referens (9:e uppl.)

Ulrich, David, et al. The Leadership Code: Five Rules to Lead by. Harvard Business Review Press, 2008.