«Copia archivada». Archivado desde el original el 30 de mayo de 2012. Consultado el 24 de abril de 2012.:"Business in the Community, Zurich Financial Services Ltd, the insurance-based financial services provider, has successfully retained the CommunityMark for a further three years." Business in the community. Retrieved 25 April 2012
bitc.org.uk
«Copia archivada». Archivado desde el original el 30 de mayo de 2012. Consultado el 24 de abril de 2012.:"Business in the Community, Zurich Financial Services Ltd, the insurance-based financial services provider, has successfully retained the CommunityMark for a further three years." Business in the community. Retrieved 25 April 2012
bloomberg.com
[1]: "Zurich Says Board Will Propose Ackermann as Chairman." Bloomberg. 13 March 2012
«Copia archivada». Archivado desde el original el 12 de marzo de 2012. Consultado el 25 de abril de 2012.:"Investors' Day - Focus on Execution p34." Zurich.com. Retrieved 25 April 2012
[9]:"About us." Zurich.com. Retrieved 25 April 2012
«Copia archivada». Archivado desde el original el 12 de marzo de 2012. Consultado el 25 de abril de 2012.:"Investors' Day - Focus on Execution p34." Zurich.com. Retrieved 25 April 2012