APA (7th ed.) Zitazioa
Morris, M. (1991). Wall to wall: From Beijing to Berlin by rail. Penguin.
Chicago Style (17th ed.) Zitazioa
Morris, Mary. Wall to Wall: From Beijing to Berlin by Rail. New York: Penguin, 1991.
MLA (9th ed.) Zitazioa
Morris, Mary. Wall to Wall: From Beijing to Berlin by Rail. Penguin, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.