Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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