U.S. Energy Information Administration - EIA - Independent Statistics and Analysis
Brent Crude Oil - current and historical Brent Crude Oil prices, chart the development of Brent Crude Oil price - 1 year - currency USD | Kurzy.cz
Sustainability | Free Full-Text | An Auxiliary Index for Reducing Brent Crude Investment Risk—Evaluating the Price Relationships between Brent Crude and Commodities