http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
edited by P.N. Singer ; translated with introductions and notes by Vivian Nutton, Daniel Davies And P.N. Singer ; with the collaboration of Piero Tassinari.
Περιλαμβάνει βιβλιογραφικές αναφορές και ευρετήριο