reported by ACI Committee 340
American Concrete Institute, 1978
Buku Teks
ASCE, 1997
Buku Teks
Rapp, William G.
John Wiley & Sons, 1979
Buku Teks
F.X. Supartono, author
Fakultas Teknik Universitas Indonesia, 1998
UI - Laporan Penelitian
Newman, Morton, author
McGraw-Hill, 1968
Buku Referensi