DocBook Technical Committee (2005). DocBook 4.5b1. http://www.oasis-open.org/docbook/.
Hoenicka, M. (2005). RefDB 0.9.6. http://refdb.sourceforge.net/.
Hoenicka, M. (2005b). The CiteStyleX DTD Reference. http://refdb.sourceforge.net/citestylex/.
Hoenicka, M. (2005c). RefDB (0.9.5) Handbook. http://refdb.sourceforge.net/manual/.
Hoenicka, M. (2005d). The RISX DTD Reference. http://refdb.sourceforge.net/risx/.
IBM (2000). Darwin Information Typing Architecture. http://www-128.ibm.com/developerworks/xml/library/x-dita1/.
Kay, M. (2003). XSLT Programmer's Reference. http://www.wrox.com/.
Library of Congress (2004). Metadata Object Description Schema (MODS). http://www.loc.gov/standards/mods/.
Stayton, B. (2005). DocBook XSL: The Complete Guide. Santa Cruz: Sagehill Enterprises. http://www.sagehill.net/.
TEI Consortium (2000). Text Encoding Initiative. http://www.tei-c.org/.
Veillard, D. (2005). xsltproc. http://www.xmlsoft.org/XSLT.
W3C (1999). XSL Transformations (XSLT) Version 1.0. http://www.w3.org/TR/xslt.
Walsh, N., Muellner, L. & Stayton, B. (1999). DocBook: The Definitive Guide. Sebastopol: O'Reilly & Associates Inc.. http://www.docbook.org/tdg/.