Orand, B. (2013). Foundations of IT service management: With ITIL 2011 (Second Edition.). ITILyaBrady.
Chicago-Zitierstil (17. Ausg.)Orand, Brady. Foundations of IT Service Management: With ITIL 2011. Second Edition. [California]: ITILyaBrady, 2013.
MLA-Zitierstil (9. Ausg.)Orand, Brady. Foundations of IT Service Management: With ITIL 2011. Second Edition. ITILyaBrady, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.