Gaya APA
Siahaya, W. (2016).
Manajemen Pengadaan Procurement Management ABG (Academic Business Government) (cet.3).
Bogor:
in media.
Gaya MLA
Siahaya, Willem.
"Manajemen Pengadaan Procurement Management ABG (Academic Business Government)".
cet.3
Bogor:
in media,
2016.
Text.