APA (7th ed.) Zitazioa
ProQuest (Firm), Letouze, E., & de Catheu, J. (2013). Fragile states: Resource flows and trends. OECD.
Chicago Style (17th ed.) Zitazioa
ProQuest (Firm), Emmanuel Letouze, eta Juana de Catheu. Fragile States: Resource Flows and Trends. Paris: OECD, 2013.
MLA (9th ed.) Zitazioa
ProQuest (Firm), et al. Fragile States: Resource Flows and Trends. OECD, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.