Gaya APA
Das, Braja M. (2014).
Principles of Geotechnical Engineering .
America:
Printed.
Gaya Chicago
Das, Braja M.
Principles of Geotechnical Engineering.
America:
Printed,
2014.
Text.
Gaya MLA
Das, Braja M.
Principles of Geotechnical Engineering.
America:
Printed,
2014.
Text.
Gaya Turabian
Das, Braja M.
Principles of Geotechnical Engineering.
America:
Printed,
2014.
Print.