Gaya APA
HUTAHAEAN, R, Y.
(2012).
Getaran Mekanik
(
1)
.
Yogyakarta:
Andi Publisher.
Gaya MLA
HUTAHAEAN, Ramses, Y..
"Getaran Mekanik".
1
Yogyakarta:
Andi Publisher,
2012.
Buku.