Gaya APA
Yahfizham, ., Lubis, M, S.
(2019).
DASAR-DASAR KOMPUTER
.
Medan:
Perdana Publishing.
Gaya MLA
Yahfizham, ., Lubis, Mara, Samin.
"DASAR-DASAR KOMPUTER".
Medan:
Perdana Publishing,
2019.
Electronic Resource.