IT service management ITSM: A complete guide.
芝加哥风格引文IT Service Management ITSM: A Complete Guide.
MLA引文IT Service Management ITSM: A Complete Guide.
警告：这些引文格式不一定是100％准确.
APA引文
IT service management ITSM: A complete guide.
芝加哥风格引文IT Service Management ITSM: A Complete Guide.
MLA引文IT Service Management ITSM: A Complete Guide.