APA (7th ed.) Zitazioa
Citizens & Northern Corporation MarketLine Company Profile. Marketline.
Chicago Style (17th ed.) Zitazioa
Citizens & Northern Corporation MarketLine Company Profile. Marketline.
MLA (9th ed.) Zitazioa
Citizens & Northern Corporation MarketLine Company Profile. Marketline.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.