APA (7th ed.) Zitazioa

Tire Business. Crain Communications Inc. (MI).

Chicago Style (17th ed.) Zitazioa

Tire Business. Crain Communications Inc. (MI).

MLA (9th ed.) Zitazioa

Tire Business. Crain Communications Inc. (MI).

Kontuz: berrikusi erreferentzia hauek erabili aurretik.