Gaya APA

Nilson, A, H., darwin, D, /, D, C, W. (2003). Design Of Concrete Structures / thirteenth Edition (^a13 ^bjilid 1). Singapore: McGraw-Hill Book Company.

Gaya MLA

Nilson, Arthur, H.., darwin, David, /, Dolan,, Charles, W.. "Design Of Concrete Structures / thirteenth Edition". ^a13 ^bjilid 1 Singapore: McGraw-Hill Book Company, 2003. Text.