Thompson, Louis M.
Soils and soil fertility
McGraw-Hill, 1978
 Buku Teks
Kezdi, Arpard
Handbook of soil mechanics
Elsevier, 1980
 Buku Referensi
Cheng Liu
Soil properties : testing, measurement, and evaluation / Cheng Liu and Jack B. Evett
Prentice-Hall, 1997
 Buku Teks
Cheng Liu
Soil properties : testing, measurement, and evaluation / Cheng Liu and Jack B. Evett
Prentice-Hall, 1984
 Buku Teks
Engineering aspects of soil erosion, dispersive clays and loess / edited by C.W. Lovell
American Society of Civil Engineers, 1987
 Buku Teks