Gaya APA
Das, - Braja M. (2004).
foundation engineering .
Australia:
Thomson Learning.
Gaya Chicago
Das, - Braja M.
foundation engineering.
Australia:
Thomson Learning,
2004.
Text Book Sipil.
Gaya MLA
Das, - Braja M.
foundation engineering.
Australia:
Thomson Learning,
2004.
Text Book Sipil.
Gaya Turabian
Das, - Braja M.
foundation engineering.
Australia:
Thomson Learning,
2004.
Text Book Sipil.