Gaya APA
SILAEN, Sofar. (2014).
Riset operasi .
Bogor:
IN MEDIA.
Gaya Chicago
SILAEN, Sofar.
Riset operasi.
Bogor:
IN MEDIA,
2014.
Text.
Gaya MLA
SILAEN, Sofar.
Riset operasi.
Bogor:
IN MEDIA,
2014.
Text.
Gaya Turabian
SILAEN, Sofar.
Riset operasi.
Bogor:
IN MEDIA,
2014.
Print.