Gaya APA
Siahaya, Willem. (2013).
Manajemen Pengadaan Procurement Management : ABG -Academic/Business/Government (cet.2).
Bandung:
Alfabeta.
Gaya Chicago
Siahaya, Willem.
Manajemen Pengadaan Procurement Management : ABG -Academic/Business/Government.
cet.2
Bandung:
Alfabeta,
2013.
Text.
Gaya MLA
Siahaya, Willem.
Manajemen Pengadaan Procurement Management : ABG -Academic/Business/Government.
cet.2
Bandung:
Alfabeta,
2013.
Text.
Gaya Turabian
Siahaya, Willem.
Manajemen Pengadaan Procurement Management : ABG -Academic/Business/Government.
cet.2
Bandung:
Alfabeta,
2013.
Print.