Ecuador, B. C. d. (2010). Cifras del sector petrolero ecuatoriano n°39 – 2010.
Chicago Style (17th ed.) CitationEcuador, Banco Central del. Cifras Del Sector Petrolero Ecuatoriano N°39 – 2010. 2010.
MLA (9th ed.) CitationEcuador, Banco Central del. Cifras Del Sector Petrolero Ecuatoriano N°39 – 2010. 2010.
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