Cita APA (7th ed.)

Van der Ploeg, R. (2009). Aggressive oil extraction and precautionary saving: Coping with volatility. University of Oxford.

Cita Chicago (17th ed.)

Van der Ploeg, R. Aggressive Oil Extraction and Precautionary Saving: Coping with Volatility. University of Oxford, 2009.

Cita MLA (9th ed.)

Van der Ploeg, R. Aggressive Oil Extraction and Precautionary Saving: Coping with Volatility. University of Oxford, 2009.

Atenció: Aquestes cites poden no estar 100% correctes.