Παραπομπή σε μορφή APA (7η εκδ.)

Zakaria, S. M., Arifeen, N., & BRAC Institute of Governance and Development, B. U. (2018). Issue and challenges in public procurement bidding. BRAC University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Zakaria, Sultan Mohammed, Nazmul Arifeen, και BRAC University BRAC Institute of Governance and Development. Issue and Challenges in Public Procurement Bidding. BRAC University, 2018.

Παραπομπή σε μορφή MLA (8th εκδ.)

Zakaria, Sultan Mohammed, et al. Issue and Challenges in Public Procurement Bidding. BRAC University, 2018.