American Society of Civil Engineers, 2018
Majalah, Jurnal, Buletin
edited by Edwin H. Gaylord, Charles N. Gaylord
McGraw-Hill, 1968
Buku Referensi
Dayaratnam, P., author
Tata McGraw-Hill, 1983
Buku Teks
White, Richard N., author
John Wiley & Sons, 1976
Buku Teks
Lauer, Kenneth R.
McGraw-Hill, 1981
Buku Teks