Gaya APA
DAS, Braja M. (1990).
Principles of foundation engineering .
Beston:
PWS-KENT Publisco.
Gaya Chicago
DAS, Braja M.
Principles of foundation engineering.
Beston:
PWS-KENT Publisco,
1990.
Text.
Gaya MLA
DAS, Braja M.
Principles of foundation engineering.
Beston:
PWS-KENT Publisco,
1990.
Text.
Gaya Turabian
DAS, Braja M.
Principles of foundation engineering.
Beston:
PWS-KENT Publisco,
1990.
Print.