Thomas Telford & Clayton, C. (1993). Retaining structures: Proceedings of the conference Retaining structures organized by the Institution of Civil Engineers and held at Robinson College, Cambridge on 20-23 July 1992 ; edited by C.R.I. Clayton. Thomas Telford.
Παραπομπή σε μορφή Chicago (17η εκδ.)Thomas Telford και C.R.I Clayton. Retaining Structures: Proceedings of the Conference Retaining Structures Organized by the Institution of Civil Engineers and Held at Robinson College, Cambridge on 20-23 July 1992 ; Edited by C.R.I. Clayton. London: Thomas Telford, 1993.
Παραπομπή σε μορφή MLA (8th εκδ.)Thomas Telford και C.R.I Clayton. Retaining Structures: Proceedings of the Conference Retaining Structures Organized by the Institution of Civil Engineers and Held at Robinson College, Cambridge on 20-23 July 1992 ; Edited by C.R.I. Clayton. Thomas Telford, 1993.
