You can create new documents while automatically inserting different types of references to the newly-created documents.
All editions of Serna support DITA. However, DITA usability tools (DITA dialogs available through the DITA menu and the DITA toolbar), which facilitate the insertion of common DITA constructs, and reference navigation are available in Serna Enterprise Edition only. Download a free trial of Serna Enterprise at http://www.syntext.com/downloads/serna/.