Van Bon, J. (2011). ITIL 2011 edition: A pocket guide. Van Haren Publishing.
芝加哥风格引文Van Bon, Jan. ITIL 2011 Edition: A Pocket Guide. Zaltbommel, Netherlands: Van Haren Publishing, 2011.
MLA引文Van Bon, Jan. ITIL 2011 Edition: A Pocket Guide. Van Haren Publishing, 2011.
警告：这些引文格式不一定是100％准确.