Gijt, j. G. d. (2010). A history of quay walls: Techniques, types, costs and future. OBT bv.
Lua i Stíl Chicago (17ú heag.)Gijt, jacob Gerrit de. A History of Quay Walls: Techniques, Types, Costs and Future. OBT bv, 2010.
Lua MLA (8ú heag.)Gijt, jacob Gerrit de. A History of Quay Walls: Techniques, Types, Costs and Future. OBT bv, 2010.
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