APA (7th ed.) Zitazioa
Railway engineering / Chandra,Satish: Oxford.
Chicago Style (17th ed.) Zitazioa
Railway Engineering / Chandra,Satish: Oxford.
MLA (9th ed.) Zitazioa
Railway Engineering / Chandra,Satish: Oxford.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.