Bayley, W. A. (1972). Tunnels on Australian railways. Austrail Publications.
Chicago Style aipamenaBayley, William A. Tunnels on Australian Railways. Bulli, N.S.W.: Austrail Publications, 1972.
MLA aipamenaBayley, William A. Tunnels on Australian Railways. Austrail Publications, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.