Van der Ploeg, R. (2009). Aggressive oil extraction and precautionary saving: Coping with volatility. University of Oxford.
Lua i Stíl Chicago (17ú heag.)Van der Ploeg, R. Aggressive Oil Extraction and Precautionary Saving: Coping with Volatility. University of Oxford, 2009.
Lua MLA (9ú heag.)Van der Ploeg, R. Aggressive Oil Extraction and Precautionary Saving: Coping with Volatility. University of Oxford, 2009.
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