Gaya APA
Agus, C, H. et al
(1991).
Mesin Pengasah Cutter Helix Otomatis
(
1st)
.
Bandung:
Polman.
Gaya MLA
Agus, CATUR, H.,. et al.
"Mesin Pengasah Cutter Helix Otomatis".
1st
Bandung:
Polman,
1991.
Printed.