APA Style
Juanda Napitupulu, et.al. (1998).
OPERATION RESEARCH .
Malang:
Institut Teknologi Nasional Malang.
Chicago Style
Juanda Napitupulu, et.al.
OPERATION RESEARCH.
Malang:
Institut Teknologi Nasional Malang,
1998.
Buku.
MLA Style
Juanda Napitupulu, et.al.
OPERATION RESEARCH.
Malang:
Institut Teknologi Nasional Malang,
1998.
Buku.
Turabian Style
Juanda Napitupulu, et.al.
OPERATION RESEARCH.
Malang:
Institut Teknologi Nasional Malang,
1998.
Buku.