https://publications.parliament.uk/pa/bills/cbill/58-03/0346/220346.pdf
https://digitalcommons.law.scu.edu/cgi/viewcontent.cgi?article=1685&context=chtlj
https://www.socialeurope.eu/away-oil-new-approach
https://insightcrime.org/es/noticias/banqueros-criminales-latinoamerica-monopolio-colombia-gota-a-gota/