Gaya APA
Napitulu, Juanda. (1998).
Operations research .
:
Institut Teknologi Nasional Malang.
Gaya Chicago
Napitulu, Juanda.
Operations research.
:
Institut Teknologi Nasional Malang,
1998.
Text.
Gaya MLA
Napitulu, Juanda.
Operations research.
:
Institut Teknologi Nasional Malang,
1998.
Text.
Gaya Turabian
Napitulu, Juanda.
Operations research.
:
Institut Teknologi Nasional Malang,
1998.
Print.