APA (7th ed.) Citation

Ecuador, B. C. d. (2009). Cifras del sector petrolero ecuatoriano n°31 – 2009.

Chicago Style (17th ed.) Citation

Ecuador, Banco Central del. Cifras Del Sector Petrolero Ecuatoriano N°31 – 2009. 2009.

MLA (9th ed.) Citation

Ecuador, Banco Central del. Cifras Del Sector Petrolero Ecuatoriano N°31 – 2009. 2009.

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