International Function Point Users Group. (2002). IT measurement: Practical advice from the experts. Addison-Wesley.
Chicago-referens (17:e uppl.)International Function Point Users Group. IT Measurement: Practical Advice from the Experts. Boston: Addison-Wesley, 2002.
MLA-referens (9:e uppl.)International Function Point Users Group. IT Measurement: Practical Advice from the Experts. Addison-Wesley, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.