APA (7th ed.) Zitazioa
ProQuest (Firm). (2010). The economic impact of export restrictions on raw materials. OECD.
Chicago Style (17th ed.) Zitazioa
ProQuest (Firm). The Economic Impact of Export Restrictions on Raw Materials. Paris: OECD, 2010.
MLA (9th ed.) Zitazioa
ProQuest (Firm). The Economic Impact of Export Restrictions on Raw Materials. OECD, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.