APA (7th ed.) Zitazioa
Organisation for Economic Co-operation and Development. (2020). OECD international direct investment statistics 2019. OECD.
Chicago Style (17th ed.) Zitazioa
Organisation for Economic Co-operation and Development. OECD International Direct Investment Statistics 2019. Paris: OECD, 2020.
MLA (9th ed.) Zitazioa
Organisation for Economic Co-operation and Development. OECD International Direct Investment Statistics 2019. OECD, 2020.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.