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-Zitierstil (17. Ausg.)Behr, Kevin, Gene Kim, und George Spafford. The Visible OPS Handbook: Implementing ITIL in Practical and Auditable Steps. First edition revised. Oregon: IT Process Institute, 2010.
MLA-Zitierstil (8. Ausg.)Behr, Kevin, et al. The Visible OPS Handbook: Implementing ITIL in Practical and Auditable Steps. First edition revised. IT Process Institute, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.