APA Style

(1081001080), E, A, P, D. (2011). Sistem & Prosedur Pengadaan Barang di PT. Bakrie Metal Industries . Jakarta: Universitas Bakrie.

MLA Style

(1081001080), Ezra, Abraham, Purba, Dasuha. "Sistem & Prosedur Pengadaan Barang di PT. Bakrie Metal Industries". Jakarta: Universitas Bakrie, 2011. Printed.