<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Bekiari, Chryssoula / Doerr, Martin / Le Boeuf, Patrick / Riva, Pat</hi> (2015): „Definition of FRBRoo. A Conceptual Model for Bibliographic Information in Object-Oriented Formalism <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">“</hi> Den Haag: <ref xmlns="http://www.tei-c.org/ns/1.0" target="https://www.ifla.org/files/assets/cataloguing/FRBRoo/frbroo_v_2.4.pdf">https://www.ifla.org/files/assets/cataloguing/FRBRoo/frbroo_v_2.4.pdf</ref> [letzter Zugriff: 25. September 2017].