Παραπομπή σε μορφή APA (7η εκδ.)

Organisation for Economic Co-operation and Development. (2019). Reforming isssteson's public procurement for sustainability. OECD.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Organisation for Economic Co-operation and Development. Reforming Isssteson's Public Procurement for Sustainability. Paris, France: OECD, 2019.

Παραπομπή σε μορφή MLA (9th εκδ.)

Organisation for Economic Co-operation and Development. Reforming Isssteson's Public Procurement for Sustainability. OECD, 2019.