APA Style
Silaen, Sofar. (2014).
Riset Operasi .
Bogor:
IN Media.
Chicago Style
Silaen, Sofar.
Riset Operasi.
Bogor:
IN Media,
2014.
Books.
MLA Style
Silaen, Sofar.
Riset Operasi.
Bogor:
IN Media,
2014.
Books.
Turabian Style
Silaen, Sofar.
Riset Operasi.
Bogor:
IN Media,
2014.
Books.