TTIP y CETA Paloma López i Ramon Boixadera, El Diario, 17 d'octubre de 2014(castellà)
europa.eu
ec.europa.eu
European Commission. «EU-Canada». [Consulta: 20 desembre 2009]. «Launched at the May 2009 EU-Canada Summit in Prague, the CETA aims to eliminate trade and investment barriers between the two territories. The CETA has established a historic precedent by including the Canadian provinces directly in the negotiations.»