APA (7th ed.) Zitazioa

Government Securities Market (Bulgarian National Bank). Bulgarian National Bank.

Chicago Style (17th ed.) Zitazioa

Government Securities Market (Bulgarian National Bank). Bulgarian National Bank.

MLA (9th ed.) Zitazioa

Government Securities Market (Bulgarian National Bank). Bulgarian National Bank.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.