Gaya APA
Subagyo, P.
(2012).
Dasar-Dasar Operation Research
(
cet.16)
.
Yogyakarta:
BPFE Yogyakarta.
Gaya MLA
Subagyo, Pangestu.
"Dasar-Dasar Operation Research".
cet.16
Yogyakarta:
BPFE Yogyakarta,
2012.
Text.