Dewberry and Davis
McGraw-Hil, 1996
Buku Referensi
Paul Watson, David Gibson, Hanney Neil, Peter Rushforth, Stuart Smith, Catherine Walsh, Garry Workman
Blackwell Publishing, 2008
Buku Teks SO
American Society of Civil Engineers, 2018
Majalah, Jurnal, Buletin
McCormac, Jack C.
Prentice-Hall, 1995
Buku Teks SO
Evett, Jack B., 1942-
Prentice-Hall, 1991
Buku Teks SO