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