Gaya APA
Subagyo, P. et al
(1983).
Dasar-Dasar Operations Research
(
Edisi 2)
.
Yogyakarta:
BPFE-Yogyakarta.
Gaya MLA
Subagyo, Pangestu. et al.
"Dasar-Dasar Operations Research".
Edisi 2
Yogyakarta:
BPFE-Yogyakarta,
1983.
Text.