Penggayaan APA
DAS, Braja M.. (2010).
Principles of foundation engineering (7th ed.).
Australia:
CENGAGE Learning.
Chicago Style
DAS, Braja M..
Principles of foundation engineering.
7th ed.
Australia:
CENGAGE Learning,
2010.
Buku.
MLA Style
DAS, Braja M..
Principles of foundation engineering.
7th ed.
Australia:
CENGAGE Learning,
2010.
Buku.
Turabian Style
DAS, Braja M..
Principles of foundation engineering.
7th ed.
Australia:
CENGAGE Learning,
2010.
Buku.