2008). «Twilight of the oligarchs». The Guardian (London). https://www.theguardian.com/world/2008/oct/25/russian-oligarchs-oleg-deripaska. Ανακτήθηκε...
Filip; Piketty, Thomas; Zucman, Gabriel (August 2017). «From Soviets to Oligarchs: Inequality and Property in Russia, 1905–2016». NBER Working Paper No...
2017 Regarding Senior Foreign Political Figures and Oligarchs in the Russian Federation and Russian Parastatal Entities» (PDF). 29 Ιανουαρίου 2018. Ward...
(2007). Gitelman, Zvi Y.; Ro'i, Yaacov, επιμ. «Putin and the Jewish Oligarchs: Prejudice or Politics?». Revolution, Repression, and Revival: The Soviet...
rian.ru/business/20101207/161670761.html Hoffman, David E. (2001). The Oligarchs: Wealth and Power in the New Russia. New York, NY: PublicAffairs. ISBN 978-1-58648-001-1...
Faltering fightback: Zelensky's piecemeal campaign against Ukraine's oligarchs (Report). European Council on Foreign Relations. Αρχειοθετήθηκε από το...
Turns to Its Oligarchs for Political Help». New York Times. https://www.nytimes.com/2014/03/03/world/europe/ukraine-turns-to-its-oligarchs-for-political-help...