APA Style
Duncan, J. michael. (2005).
Soil strength and slope stability .
New Jersey:
JOHN WILEY & SONS,INC.
Chicago Style
Duncan, J. michael.
Soil strength and slope stability.
New Jersey:
JOHN WILEY & SONS,INC,
2005.
Buku Teks.
MLA Style
Duncan, J. michael.
Soil strength and slope stability.
New Jersey:
JOHN WILEY & SONS,INC,
2005.
Buku Teks.
Turabian Style
Duncan, J. michael.
Soil strength and slope stability.
New Jersey:
JOHN WILEY & SONS,INC,
2005.
Buku Teks.