Gaya APA
Siahaya, W. (2015).
Sukses Supply Chain Management akses Demand Chain Management :Willem Siahaya .
Bogor:
IN MEDIA.
Gaya MLA
Siahaya, Willem.
"Sukses Supply Chain Management akses Demand Chain Management :Willem Siahaya".
Bogor:
IN MEDIA,
2015.
Buku.