Unsaturated soil
ASCE, 1993
 Buku Teks SO
Terzaghi, Karl
Soil mechanics in engineering practice
John Wiley & Sons, 1967
 Buku Teks
Terzaghi, Karl
Soil mechanics in engineering practice
John Wiley & Sons, 1960
 Buku Teks
Soil suction applications in geotechnical engineering practice
edited by Waren K. Wray and Sandra L. Houston
ASCE, 1995
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Cernica, John N.
Geotechnical engineering : soil mechanics / John N. Cernica
John Wiley & Sons, 1995
 Buku Teks