Rujukan Minyak_mentah_manis

  1. "Oil markets explained". BBC News. 'Sweet' crude is defined as having a sulphur content of less than 0.5%.
  2. Szymon Wlazlowski , Björn Hagströmer & Monica Giulietti (2011). "Causality in crude oil prices". Applied Economics (dalam bahasa English). Applied Economics (Vol. 43 Issue24). 43 (24): 3337–3347. doi:10.1080/00036841003636250. Crudes are considered to be sweet when the sulphur content does not exceed 0.5% and sour otherwise.Selenggaraan CS1: bahasa tidak dikenali (link)
  3. "Description of the MC 252 Crude Oil" (PDF). Oil Spill Academic Task Force, State of Florida. Dicapai pada January 28, 2011.