Não informado. (1957). Proceedings of the Institution of Civil Engineers. Institution of Civil Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Proceedings of the Institution of Civil Engineers. London: Institution of Civil Engineers, 1957.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Proceedings of the Institution of Civil Engineers. Institution of Civil Engineers, 1957.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.