Organización Mundial de la Propiedad Intelectual (30 de junio de 2016). «Canada’s Accession to Marrakesh Treaty Brings Treaty into Force»(en inglés). Consultado el 5 de julio de 2016. «Canada today became the key 20th nation to accede to the Marrakesh Treaty to Facilitate Access to Published Works for Persons Who Are Blind, Visually Impaired or Otherwise Print Disabled, which will bring the Treaty into force in three month’s time on September 30, 2016.»
