Gaya APA
Siahaya, Willem. (2012).
Manajemen pengadaan : procucement management ABG Academic Business Government .
Bandung:
Alfabeta.
Gaya Chicago
Siahaya, Willem.
Manajemen pengadaan : procucement management ABG Academic Business Government.
Bandung:
Alfabeta,
2012.
Text.
Gaya MLA
Siahaya, Willem.
Manajemen pengadaan : procucement management ABG Academic Business Government.
Bandung:
Alfabeta,
2012.
Text.
Gaya Turabian
Siahaya, Willem.
Manajemen pengadaan : procucement management ABG Academic Business Government.
Bandung:
Alfabeta,
2012.
Print.