APA-referens (7:e uppl.)

Benbow, D. W. (2005). The Certified Six Sigma Black Belt Handbook (3rd ed.). Pearson.

Chicago-referens (17:e uppl.)

Benbow, Donald W. The Certified Six Sigma Black Belt Handbook. 3rd ed. New Delhi: Pearson, 2005.

MLA-referens (9:e uppl.)

Benbow, Donald W. The Certified Six Sigma Black Belt Handbook. 3rd ed. Pearson, 2005.