Gaya APA
Ariyus, A, A, P, &, D.
(2010).
Sistem Operasi
(
1)
.
Yogyakarta:
Andi Offset.
Gaya MLA
Ariyus, Abas, Ali, Pangera, &, Dony.
"Sistem Operasi".
1
Yogyakarta:
Andi Offset,
2010.
Buku Analog.