Gaya APA
Siswanto, ., Hardani, T, P, W.
(2007).
Operations Research Jilid 2
.
Jakarta:
Erlangga, 1991.
Gaya MLA
Siswanto, ., Hardani, Taufan, Prasetyo,, Wibi.
"Operations Research Jilid 2".
Jakarta:
Erlangga, 1991,
2007.
Text.