Gaya APA
dkk, D, P, S, M.
(2000).
Dasar-dasar Operations Research
(
2)
.
Yogyakarta:
BPFE-yogyakarta.
Gaya MLA
dkk, Drs., Pangestu, Subagyo,, M.B.A,.
"Dasar-dasar Operations Research".
2
Yogyakarta:
BPFE-yogyakarta,
2000.
Text.