Não informado. (1973). Terra et Aqua: International journal on public works, ports, and waterways development. International Association of Dredging Companies.
Lua i Stíl Chicago (17ú heag.)Não informado. Terra Et Aqua: International Journal on Public Works, Ports, and Waterways Development. The Hague, Holanda: International Association of Dredging Companies, 1973.
Lua MLA (8ú heag.)Não informado. Terra Et Aqua: International Journal on Public Works, Ports, and Waterways Development. International Association of Dredging Companies, 1973.
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