DHL. "DHLArchived 8 January 2009 at the Wayback Machine." DHL employees pledge to help underprivileged children by joining World Visions 30-Hour Famine Camp. Retrieved on 2008-08-04.
DHL. "DHLArchived 8 January 2009 at the Wayback Machine." DHL employees pledge to help underprivileged children by joining World Visions 30-Hour Famine Camp. Retrieved on 2008-08-04.