APA (7th ed.) Zitazioa
(1968). Tomorrow's transportation: New systems for the urban future. U.S. Dep. of Housing and Urban Developm.
Chicago Style (17th ed.) Zitazioa
Tomorrow's Transportation: New Systems for the Urban Future. Washington: U.S. Dep. of Housing and Urban Developm, 1968.
MLA (9th ed.) Zitazioa
Tomorrow's Transportation: New Systems for the Urban Future. U.S. Dep. of Housing and Urban Developm, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.