Gaya APA
Subagyo, P.
(2000).
Dasar-dasar operations research: ed.2
(
2)
.
Yogyakarta:
BPFE.
Gaya MLA
Subagyo, Pangestu.
"Dasar-dasar operations research: ed.2".
2
Yogyakarta:
BPFE,
2000.
Text.