Não informado. (1965). World dredging and marine construction. World Trade.
Lua i Stíl Chicago (17ú heag.)Não informado. World Dredging and Marine Construction. Conroe, Tex: World Trade, 1965.
Lua MLA (8ú heag.)Não informado. World Dredging and Marine Construction. World Trade, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.