APA (7th ed.) Zitazioa
Vazirani V. N. & Chandola S. P. (1978). Railways bridges and tunnels. Khanna Publisher.
Chicago Style (17th ed.) Zitazioa
Vazirani V. N. eta Chandola S. P. Railways Bridges and Tunnels. New Delhi: Khanna Publisher, 1978.
MLA (9th ed.) Zitazioa
Vazirani V. N. eta Chandola S. P. Railways Bridges and Tunnels. Khanna Publisher, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.