Gaya APA
Das, Braja M.. (2010).
Principles of geotechnical engineering (7).
Hoboken, NJ:
Cengage Learning,.
Gaya Chicago
Das, Braja M..
Principles of geotechnical engineering.
7
Hoboken, NJ:
Cengage Learning,,
2010.
Text.
Gaya MLA
Das, Braja M..
Principles of geotechnical engineering.
7
Hoboken, NJ:
Cengage Learning,,
2010.
Text.
Gaya Turabian
Das, Braja M..
Principles of geotechnical engineering.
7
Hoboken, NJ:
Cengage Learning,,
2010.
Print.