Behr, K., Kim, G., & Spafford, G. (2010). The visible OPS handbook: Implementing ITIL in practical and auditable steps (First edition revised.). IT Process Institute.
Chicago-referens (17:e uppl.)Behr, Kevin, Gene Kim, och George Spafford. The Visible OPS Handbook: Implementing ITIL in Practical and Auditable Steps. First edition revised. Oregon: IT Process Institute, 2010.
MLA-referens (8:e uppl.)Behr, Kevin, et al. The Visible OPS Handbook: Implementing ITIL in Practical and Auditable Steps. First edition revised. IT Process Institute, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.