Cita APA (7th ed.)
Vazirani V. N. & Chandola S. P. (1978). Railways bridges and tunnels. Khanna Publisher.
Cita Chicago (17th ed.)
Vazirani V. N. i Chandola S. P. Railways Bridges and Tunnels. New Delhi: Khanna Publisher, 1978.
Cita MLA (9th ed.)
Vazirani V. N. i Chandola S. P. Railways Bridges and Tunnels. Khanna Publisher, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.