Gaya APA
Gupta, Prem Kumar, Hira, D.S.. (2014).
Operation research .
New Delhi:
S. Chand and Company.
Gaya Chicago
Gupta, Prem Kumar, Hira, D.S..
Operation research.
New Delhi:
S. Chand and Company,
2014.
Buku.
Gaya MLA
Gupta, Prem Kumar, Hira, D.S..
Operation research.
New Delhi:
S. Chand and Company,
2014.
Buku.
Gaya Turabian
Gupta, Prem Kumar, Hira, D.S..
Operation research.
New Delhi:
S. Chand and Company,
2014.
Buku.