Lambe, T. William, author
John Wiley & Sons, 1979
Buku Teks
Craig, R.F. (Robert F.), author
Erlangga, 1991
Buku Teks
Terzaghi, Karl, author
John Wiley & Sons, 1960
Buku Teks
Young, Anthony, author
Oxon CAB International, 1994
Buku Teks
Ortigao, J.A.R
AA.Balkema, 1995
Buku Teks