Geographic Names Information System (GNIS). Sulphur Creek. United States Geological Survey. 1981-01-19 [2020-09-27]. (原始内容存档于2021-11-06) (英语).
Geographic Names Information System (GNIS). Sulphur Creek Reservoir. United States Geological Survey. 1981-01-19 [2020-09-30]. (原始内容存档于2021-11-06) (英语).
Geographic Names Information System (GNIS). Sulphur Creek Reservoir. United States Geological Survey. 1981-01-19 [2020-09-30]. (原始内容存档于2021-11-06) (英语).
Watershed and Coastal Resources Division of Orange County. Aliso Creek Watershed Chapter. [2020-09-30]. (原始内容存档于2019-03-20) (英语).