[TDG1999] DocBook. The Definitive Guide. 1999. 1. ISBN: 156592-580-7. 648. Oreilly's catalog entry. An online version is available .
[NK2007] Apache Modules Book. Application Development with Apache. 2007. 1. ISBN: 978-0132409674. 592. Amazon catalog entry .
[DF2006] Javascript. The Definitive Guide. 2006. 5. ISBN: 0596101996. 1018. Amazon catalog entry .
[TDG2002] DocBook 4.2. Updated online Reference installed at CERN.