Dyfyniad APA

Behr, K., Kim, G., & Spafford, G. (2010). The visible OPS handbook: Implementing ITIL in practical and auditable steps (First edition revised.). IT Process Institute.

Dyfyniad Arddull Chicago

Behr, Kevin, Gene Kim, and George Spafford. The Visible OPS Handbook: Implementing ITIL in Practical and Auditable Steps. First edition revised. Oregon: IT Process Institute, 2010.

Dyfyniad MLA

Behr, Kevin, et al. The Visible OPS Handbook: Implementing ITIL in Practical and Auditable Steps. First edition revised. IT Process Institute, 2010.

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