Hoit, Marc, author
Prentice-Hall, 1995
Buku Teks
Fleming, John F., author
Prentice-Hall International, 1997
Buku Teks
Spillers, William R., author
Pergamon Press, 1972
Buku Teks
Dept. of Civil Engineering, Vanderbilt University, 1975
Buku Teks
West, Harry H., 1936-
John Wiley & Sons, 1980
Buku Teks