<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">IFLA Study Group on the Functional Requirements for Bibliographic Records</hi> (2009): <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">Functional Requirements for Bibliographic Records – Final Report</hi>. (IFLA Series on Bibliographic Control, Vol. 19) <ptr xmlns="http://www.tei-c.org/ns/1.0" target="https://www.ifla.org/publications/functional-requirements-for-bibliographic-records" /> [letzter Zugriff 03. Januar 2020].