Institution of Civil Engineers (Great Britain). (1967). Developments in railway traffic engineering: Proceedings of a symposium held May 1967. The Institution.
Chicago-referens (17:e uppl.)Institution of Civil Engineers (Great Britain). Developments in Railway Traffic Engineering: Proceedings of a Symposium Held May 1967. London : The Institution,: The Institution, 1967.
MLA-referens (8:e uppl.)Institution of Civil Engineers (Great Britain). Developments in Railway Traffic Engineering: Proceedings of a Symposium Held May 1967. The Institution, 1967.
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