Gaya APA
SUBAGYO, P., ASRI, M.
(1995).
Dasar-Dasar Operations Research
(
2)
.
:
BPFE Yogyakarta.
Gaya MLA
SUBAGYO, Pangestu., ASRI, Marwan.
"Dasar-Dasar Operations Research".
2
:
BPFE Yogyakarta,
1995.
Buku.