APA (7th ed.) Zitazioa

Russia & CIS Business & Financial Daily. Interfax-America Inc.

Chicago Style (17th ed.) Zitazioa

Russia & CIS Business & Financial Daily. Interfax-America Inc.

MLA (9th ed.) Zitazioa

Russia & CIS Business & Financial Daily. Interfax-America Inc.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.