Penggayaan APA
HOLTZ, Robert D.. (1981).
An introduction to geotechnical engineering .
Englewood-Cliffs:
Prentice Hall.
Chicago Style
HOLTZ, Robert D..
An introduction to geotechnical engineering.
Englewood-Cliffs:
Prentice Hall,
1981.
Majalah.
MLA Style
HOLTZ, Robert D..
An introduction to geotechnical engineering.
Englewood-Cliffs:
Prentice Hall,
1981.
Majalah.
Turabian Style
HOLTZ, Robert D..
An introduction to geotechnical engineering.
Englewood-Cliffs:
Prentice Hall,
1981.
Majalah.