Gaya APA
T.Thomson, W.
(1993).
(TEKNIK SIPIL 2) Theory of Vibration with Applications
(
4)
.
New Jersey:
Prentice- Hall.
Gaya MLA
T.Thomson, William.
"(TEKNIK SIPIL 2) Theory of Vibration with Applications".
4
New Jersey:
Prentice- Hall,
1993.
.