Dyfyniad APA

Krichene, N., & Christensen, B. V. (2008). Crude oil prices: Trends and forecast. International Monetary Fund.

Dyfyniad Arddull Chicago

Krichene, Noureddine, and Benedicte Vibe Christensen. Crude Oil Prices: Trends and Forecast. [Washington, District of Columbia]: International Monetary Fund, 2008.

Dyfyniad MLA

Krichene, Noureddine, and Benedicte Vibe Christensen. Crude Oil Prices: Trends and Forecast. International Monetary Fund, 2008.

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