APA (7th ed.) Zitazioa
Winter,George. Design of concrete structures / Nilson, Arthur H: McGraw Hill.
Chicago Style (17th ed.) Zitazioa
Winter,George. Design of Concrete Structures / Nilson, Arthur H: McGraw Hill.
MLA (9th ed.) Zitazioa
Winter,George. Design of Concrete Structures / Nilson, Arthur H: McGraw Hill.
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