Source: https://bibliopiaf.ebsi.umontreal.ca/bibliographie/ECVHIYQF/download/JBCI2HL7/Bureau%20canadien%20des%20archivistes%20-%202008%20-%20R%C3%A8gles%20pour%20la%20description%20des%20documents%20d%E2%80%99archive.pdf