George, W., H., N., A.(1981).Design of concrete structures / George Winter, Arthur H. Nilson (Ed.ke-9, Cet.2).:McGraw-Hill International Book Company.
Gaya MLA
Winter, George., Nilson, Arthur, H.."Design of concrete structures / George Winter, Arthur H. Nilson".Ed.ke-9, Cet.2:McGraw-Hill International Book Company,1981.Textbook.