Ecuador, B. C. d. (2009). Cifras del sector petrolero ecuatoriano n°35 – 2009.
Chicago Style CitationEcuador, Banco Central del. Cifras Del Sector Petrolero Ecuatoriano N°35 – 2009. 2009.
MLA CitationEcuador, Banco Central del. Cifras Del Sector Petrolero Ecuatoriano N°35 – 2009. 2009.
Warning: These citations may not always be 100% accurate.