The National Hurricane Center's report on Hurricane John The Central Pacific Hurricane Center's report on Hurricane John The Joint Typhoon Warning Center's 1994 Annual Tropical Cyclone Report
Truy cập ngày 22 tháng 4 năm 2012.  The National Hurricane Center's report on Hurricane John The Central Pacific Hurricane Center's report on Hurricane John The Joint Typhoon Warning Center's 1994 Annual Tropical Cyclone Report