APA (7th ed.) Zitazioa

Monetary Statistics (Bulgarian National Bank). Bulgarian National Bank.

Chicago Style (17th ed.) Zitazioa

Monetary Statistics (Bulgarian National Bank). Bulgarian National Bank.

MLA (9th ed.) Zitazioa

Monetary Statistics (Bulgarian National Bank). Bulgarian National Bank.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.