Gaya APA
richart,jr.. (1980).
Vibrations of soils and foundation (edisi 1).
United States of America:
N.M. New mark.
Gaya Chicago
richart,jr..
Vibrations of soils and foundation.
edisi 1
United States of America:
N.M. New mark,
1980.
Text.
Gaya MLA
richart,jr..
Vibrations of soils and foundation.
edisi 1
United States of America:
N.M. New mark,
1980.
Text.
Gaya Turabian
richart,jr..
Vibrations of soils and foundation.
edisi 1
United States of America:
N.M. New mark,
1980.
Print.