Organisation for Economic Co-operation and Development. (2016). Improving issste's public procurement for better results. Organisation for Economic Co-operation and Development.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Organisation for Economic Co-operation and Development. Improving Issste's Public Procurement for Better Results. Paris, France: Organisation for Economic Co-operation and Development, 2016.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Organisation for Economic Co-operation and Development. Improving Issste's Public Procurement for Better Results. Organisation for Economic Co-operation and Development, 2016.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.