Hong Kong Observatory. Part III – Tropical Cyclone Summaries. Meteorological Results: 1991(PDF). Meteorological Results (报告) (Hong Kong Observatory). 1992 [2020-04-27]. (原始内容(PDF)存档于2022-07-07). (页面存档备份,存于互联网档案馆)
Hong Kong Observatory. Part III – Tropical Cyclone Summaries. Meteorological Results: 1991(PDF). Meteorological Results (报告) (Hong Kong Observatory). 1992 [2020-04-27]. (原始内容(PDF)存档于2022-07-07). (页面存档备份,存于互联网档案馆)