Gaya APA
UTAMA, P, I, T., KALMAR, .
(2017).
Product knowledge DRF450
.
Bogor:
IPC Corporate University.
Gaya MLA
UTAMA, PT, INDO, TRAKTOR., KALMAR, .
"Product knowledge DRF450".
Bogor:
IPC Corporate University,
2017.
IPC Publication.