Gaya APA
Subagyo, P.
(1999).
Dasar-Dasar Operations Research Edisi 2
(
2)
.
Yogyakarta:
BPFE YOGYAKARTA.
Gaya MLA
Subagyo, Pangestu.
"Dasar-Dasar Operations Research Edisi 2".
2
Yogyakarta:
BPFE YOGYAKARTA,
1999.
Art Original.