Tropical Cyclones in 1990(PDF) (Report). Hong Kong: Royal Observatory. February 1992. Archived from the original(PDF) on October 23, 2019. Retrieved June 2, 2015.
1990 Annual Tropical Cyclone Report(PDF) (Report). Pearl Harbor, Hawaii: Joint Typhoon Warning Center. 1991. Archived from the original(PDF) on October 19, 2016. Retrieved August 19, 2014.
1990 Annual Tropical Cyclone Report(PDF) (Report). Pearl Harbor, Hawaii: Joint Typhoon Warning Center. 1991. Archived from the original(PDF) on October 19, 2016. Retrieved August 19, 2014.
Tropical Cyclones in 1990(PDF) (Report). Hong Kong: Royal Observatory. February 1992. Archived from the original(PDF) on October 23, 2019. Retrieved June 2, 2015.