Gaya APA
Pangestu, S., Asri, M.
(2012).
Dasar-Dasar Operations Research
.
Yogyakarta:
BPFE.
Gaya MLA
Pangestu, Subagyo., Asri, Marwan.
"Dasar-Dasar Operations Research".
Yogyakarta:
BPFE,
2012.
Text.