Gaya APA
Subagyo, P. et al
(1983).
DASAR - DASAR OPERATIONS RESEARCH
(
ED.2)
.
Yogyakarta:
Libraries Unlimited.
Gaya MLA
Subagyo, Pangestu. et al.
"DASAR - DASAR OPERATIONS RESEARCH".
ED.2
Yogyakarta:
Libraries Unlimited,
1983.
Text.