Rolt, L. T. C. (1967). Transport and communications. Methuen.
Chicago Style (17th ed.) ZitazioaRolt, L. T. C. Transport and Communications. London: Methuen, 1967.
MLA (9th ed.) ZitazioaRolt, L. T. C. Transport and Communications. Methuen, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.