Penggayaan APA
Das. (2013).
Fundamentals of geotechnical engineering (4).
Canada:
Cengage Learning.
Chicago Style
Das.
Fundamentals of geotechnical engineering.
4
Canada:
Cengage Learning,
2013.
Text.
MLA Style
Das.
Fundamentals of geotechnical engineering.
4
Canada:
Cengage Learning,
2013.
Text.
Turabian Style
Das.
Fundamentals of geotechnical engineering.
4
Canada:
Cengage Learning,
2013.
Print.