Gaya APA
Das, Braja M. (2002).
Principles Of Geotechnical Engineering .
United States of America:
Wadsworth Group.
Gaya Chicago
Das, Braja M.
Principles Of Geotechnical Engineering.
United States of America:
Wadsworth Group,
2002.
.
Gaya MLA
Das, Braja M.
Principles Of Geotechnical Engineering.
United States of America:
Wadsworth Group,
2002.
.
Gaya Turabian
Das, Braja M.
Principles Of Geotechnical Engineering.
United States of America:
Wadsworth Group,
2002.
.