Gaya APA
Siahaya, W.
(2016).
Manajemen pengadaan (procurement management)
(
Cet. 3)
.
Bogor:
In Media.
Gaya MLA
Siahaya, Willem.
"Manajemen pengadaan (procurement management)".
Cet. 3
Bogor:
In Media,
2016.
Text.