Kevin Vang (February 13, 2005). "Cyclone Nancy Forms". Asia-Pacific Disaster Alerts. Archived from the original on February 17, 2005. Retrieved June 14, 2009.
Joint Typhoon Warning Center (March 31, 2008). "Frequently Asked Questions". United States Navy. Archived from the original on September 1, 2013. Retrieved June 17, 2009.
Joint Typhoon Warning Center (March 31, 2008). "Frequently Asked Questions". United States Navy. Archived from the original on September 1, 2013. Retrieved June 17, 2009.
Kevin Vang (February 13, 2005). "Cyclone Nancy Forms". Asia-Pacific Disaster Alerts. Archived from the original on February 17, 2005. Retrieved June 14, 2009.