Gaya APA
Berger, Louis. (1979).
Landslides and stability of slopes .
:
Dirjen Bina Marga.
Gaya Chicago
Berger, Louis.
Landslides and stability of slopes.
:
Dirjen Bina Marga,
1979.
Text.
Gaya MLA
Berger, Louis.
Landslides and stability of slopes.
:
Dirjen Bina Marga,
1979.
Text.
Gaya Turabian
Berger, Louis.
Landslides and stability of slopes.
:
Dirjen Bina Marga,
1979.
Print.