RONCAGLIA, A. Oil and its markets. PSL Quarterly Review, [S. l.], v. 68, n. 273, 2015. DOI: 10.13133/2037-3643/13155. Disponível em: https://rosa.uniroma1.it/rosa04duplex/psl_quarterly_review/article/view/13155. Acesso em: 9 jan. 2026.