International Standard Numbers are unique identifiers for books, serials and music scores. They are not mandatory and do not provide copyright. They are used internationally across publication trades and the library sector.
Apply for an International Standard Book Number through the Australian ISBN Agency at Thorpe-Bowker in Victoria, Australia.
Apply for an International Standard Serial Number through the Australian ISSN Agency at the National Library of Australia.
Apply for an International Standard Music Number through the Australian ISMN Agency at the National Library of Australia.