Gaya APA
Surachman, ., Astuti, M.
(2015).
Operations research ed.2
(
2)
.
Malang:
Media Nusa Creative.
Gaya MLA
Surachman, ., Astuti, Murti.
"Operations research ed.2".
2
Malang:
Media Nusa Creative,
2015.
Text.