X/Open Group. (1997). Preliminary specification: Event management services. The Open Group.
Chicago Style (17th ed.) CitationX/Open Group. Preliminary Specification: Event Management Services. Berkshire, UK: The Open Group, 1997.
MLA (9th ed.) CitationX/Open Group. Preliminary Specification: Event Management Services. The Open Group, 1997.
Warning: These citations may not always be 100% accurate.