Gaya APA
Napitupulu, Juanda, Nendissa, Bendjamin CH., Effendi, Benedictus, Ginting, Barter, Rukmayandi, Dede, Liow, Herdy Dj., Sagala, Japinal. (1998).
Operation research .
Malang:
Bagian Penerbitan Institut Teknologi Nasional Malang.
Gaya Chicago
Napitupulu, Juanda, Nendissa, Bendjamin CH., Effendi, Benedictus, Ginting, Barter, Rukmayandi, Dede, Liow, Herdy Dj., Sagala, Japinal.
Operation research.
Malang:
Bagian Penerbitan Institut Teknologi Nasional Malang,
1998.
Text.
Gaya MLA
Napitupulu, Juanda, Nendissa, Bendjamin CH., Effendi, Benedictus, Ginting, Barter, Rukmayandi, Dede, Liow, Herdy Dj., Sagala, Japinal.
Operation research.
Malang:
Bagian Penerbitan Institut Teknologi Nasional Malang,
1998.
Text.
Gaya Turabian
Napitupulu, Juanda, Nendissa, Bendjamin CH., Effendi, Benedictus, Ginting, Barter, Rukmayandi, Dede, Liow, Herdy Dj., Sagala, Japinal.
Operation research.
Malang:
Bagian Penerbitan Institut Teknologi Nasional Malang,
1998.
Print.