Gaya APA
Sutardi, .
(2012).
Laporan Rancang bangun acessories of vibro corer
.
Bandung:
P3GL.
Gaya MLA
Sutardi, .
"Laporan Rancang bangun acessories of vibro corer".
Bandung:
P3GL,
2012.
Laporan Penelitian.