Gaya APA
Das, Braja M. (2019).
Principles of foundation engineering .
Boston:
Cengage Learning.
Gaya Chicago
Das, Braja M.
Principles of foundation engineering.
Boston:
Cengage Learning,
2019.
Text.
Gaya MLA
Das, Braja M.
Principles of foundation engineering.
Boston:
Cengage Learning,
2019.
Text.
Gaya Turabian
Das, Braja M.
Principles of foundation engineering.
Boston:
Cengage Learning,
2019.
Print.