Παραπομπή σε μορφή APA (7η εκδ.)

Ashraf, S. B., & Hoque, M. M. G. (2018). Scope and challenges of introducing sustainable procurement in Power grid Company of Bangladesh Ltd. (PGCB Ltd.). BRAC University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ashraf, Sadat Bin, και Md. Mosta Gausul Hoque. Scope and Challenges of Introducing Sustainable Procurement in Power Grid Company of Bangladesh Ltd. (PGCB Ltd.). BRAC University, 2018.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ashraf, Sadat Bin, και Md. Mosta Gausul Hoque. Scope and Challenges of Introducing Sustainable Procurement in Power Grid Company of Bangladesh Ltd. (PGCB Ltd.). BRAC University, 2018.