Penggayaan APA
DAS, Braja M.. (2007).
Principles of foundation engineering (6th ed.).
Australia:
Thomson.
Chicago Style
DAS, Braja M..
Principles of foundation engineering.
6th ed.
Australia:
Thomson,
2007.
Buku.
MLA Style
DAS, Braja M..
Principles of foundation engineering.
6th ed.
Australia:
Thomson,
2007.
Buku.
Turabian Style
DAS, Braja M..
Principles of foundation engineering.
6th ed.
Australia:
Thomson,
2007.
Buku.