Gaya APA
WOLF, J, P. (1994).
Foundation vibration analysis using simple physical models .
Englewood Cliffs, NJ:
PTR Prentice Hall.
Gaya MLA
WOLF, John, P..
"Foundation vibration analysis using simple physical models".
Englewood Cliffs, NJ:
PTR Prentice Hall,
1994.
Buku.