Krichene, N., & Christensen, B. V. (2008). Crude oil prices: Trends and forecast. International Monetary Fund.
芝加哥风格引文Krichene, Noureddine, 与 Benedicte Vibe Christensen. Crude Oil Prices: Trends and Forecast. [Washington, District of Columbia]: International Monetary Fund, 2008.
MLA引文Krichene, Noureddine, 与 Benedicte Vibe Christensen. Crude Oil Prices: Trends and Forecast. International Monetary Fund, 2008.
警告：这些引文格式不一定是100％准确.