Gaya APA
Hafni, .
(2020).
Modul Praktek Las : SMAW (Shielded Metal Arc Welding)
.
Padang:
ITP Press.
Gaya MLA
Hafni, .
"Modul Praktek Las : SMAW (Shielded Metal Arc Welding)".
Padang:
ITP Press,
2020.
Text.