International Safety Conference London, Institution of Civil Engineers (Great Britain), & Davis, J. S. (1975). Hazards in tunnelling and on falsework: Proceedings of the Third International Safety Conference held at the Institution of Civil Engineers, 19-20 March 1975. Institution of Civil Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Safety Conference London, Institution of Civil Engineers (Great Britain), και Joyce S. Davis. Hazards in Tunnelling and on Falsework: Proceedings of the Third International Safety Conference Held at the Institution of Civil Engineers, 19-20 March 1975. London: Institution of Civil Engineers, 1975.
Παραπομπή σε μορφή MLA (8th εκδ.)International Safety Conference London, et al. Hazards in Tunnelling and on Falsework: Proceedings of the Third International Safety Conference Held at the Institution of Civil Engineers, 19-20 March 1975. Institution of Civil Engineers, 1975.