Gaya APA
Siahaya, W. (2016).
Manajemen Pengadaan: Procurement Management ABG (Academic Business Government) .
Bogor:
In Media.
Gaya MLA
Siahaya, Willem.
"Manajemen Pengadaan: Procurement Management ABG (Academic Business Government)".
Bogor:
In Media,
2016.
Text.