Não informado. (1973). Terra et Aqua: International journal on public works, ports, and waterways development. International Association of Dredging Companies.
Chicago-referens (17:e uppl.)Não informado. Terra Et Aqua: International Journal on Public Works, Ports, and Waterways Development. The Hague, Holanda: International Association of Dredging Companies, 1973.
MLA-referens (8:e uppl.)Não informado. Terra Et Aqua: International Journal on Public Works, Ports, and Waterways Development. International Association of Dredging Companies, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.