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