Gaya APA
HARTANTI, E., Sugiarto, Y.
(1984).
Dasar-dasar Riset Operasional
.
Semarang:
Badan Penerbit Undip.
Gaya MLA
HARTANTI, Eni., Sugiarto, Y..
"Dasar-dasar Riset Operasional".
Semarang:
Badan Penerbit Undip,
1984.
Text.