APA (7th ed.) Zitazioa
Old Holdco Inc. MarketLine Company Profile. Marketline.
Chicago Style (17th ed.) Zitazioa
Old Holdco Inc. MarketLine Company Profile. Marketline.
MLA (9th ed.) Zitazioa
Old Holdco Inc. MarketLine Company Profile. Marketline.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.