BERK, C. Indexing Oil from a Financial Point of View: A Comparison between Brent and West Texas Intermediate. International Journal of Energy Economics and Policy, [S. l.], v. 6, n. 2, p. 152–158, 2016. Disponível em: https://econjournals.com/index.php/ijeep/article/view/1367. Acesso em: 25 apr. 2024.