8GMD/SMD Working Group: Proposal for Con- tent and Carrier Terms in RDA[ OL]. [2014 - 11 - 15]. http://opus, bath. ac. uk/17891/1/5chair6 - chairfolup, pdf.
9International Standard Bibliographic Description (ISBD). Area 0, Content Form and Media Type Area[OL]. [2015 - O1 - 14]. http://www, if- la. org/files/cataloguing/isbd/area - 0_2009. pdf.