Gaya APA
Malang, I, T, N., Bahagia, S, N. (1998).
Operation research .
Malang:
Institut Teknologi Nasional Malang.
Gaya MLA
Malang, Institut, Teknologi, Nasional., Bahagia, Senator, Nur..
"Operation research".
Malang:
Institut Teknologi Nasional Malang,
1998.
Printed Book.