APA (7th ed.) Zitazioa

Savage, C. I. (1959). An economic history of transport. Hutchinson.

Chicago Style (17th ed.) Zitazioa

Savage, Christopher I. An Economic History of Transport. London: Hutchinson, 1959.

MLA (9th ed.) Zitazioa

Savage, Christopher I. An Economic History of Transport. Hutchinson, 1959.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.