Gaya APA
Das, Braja M.. (2002).
Principles of geotechnical engineering (5th ed).
Australia:
Brooks/Cole.
Gaya Chicago
Das, Braja M..
Principles of geotechnical engineering.
5th ed
Australia:
Brooks/Cole,
2002.
Text.
Gaya MLA
Das, Braja M..
Principles of geotechnical engineering.
5th ed
Australia:
Brooks/Cole,
2002.
Text.
Gaya Turabian
Das, Braja M..
Principles of geotechnical engineering.
5th ed
Australia:
Brooks/Cole,
2002.
Print.