Gaya APA
ASRI, M., SUBAGYO, P.
(1999).
Dasar-Dasar Operations Research
(
2)
.
:
BPFE Yogyakarta.
Gaya MLA
ASRI, Marwan., SUBAGYO, Pangestu.
"Dasar-Dasar Operations Research".
2
:
BPFE Yogyakarta,
1999.
Buku.