Bibliographies should be marked up using list elements. Unordered lists are appropriate for traditional print bibliographies, as the alphabetization of entries does not infer sequential order (e.g., the bibliography can be reverse sorted without losing meaning). Definition lists can also be used for non-traditional layouts (e.g., for web link-based bibliographies).
section element containing the bibliography should be identified using the
epub:type attribute with the property
To faciliate navigating a bibliography, use nested
section elements to enclose
alphabetically- and numerically-related entries. The
title attribute can be attached to the
enclosing section to include a title if the sections do not have headings.
The use of lists is recommended as it simplifies navigation by users of assistive technologies. Not only does it speed up the movement through entries, but the position within the list can be announced, allowing the reader to quickly return to the same spot again later, if needed.