Gaya APA
Melfinda, A., Mahyarni, .
(2011).
Operation Research ( Operasi Riset)
.
Pekanbaru:
UR Press.
Gaya MLA
Melfinda, Astuti., Mahyarni, .
"Operation Research ( Operasi Riset)".
Pekanbaru:
UR Press,
2011.
eBook Manajemen.