"Li Ka-shing". Encyclopædia Britannica. Chicago, Illinois: Encyclopædia Britannica, Inc. Archived from the original on 13 May 2013. Retrieved 12 June 2008.
"Li Ka-shing". Encyclopædia Britannica. Chicago, Illinois: Encyclopædia Britannica, Inc. Archived from the original on 13 May 2013. Retrieved 12 June 2008.