(2016). Towards efficient public procurement in Colombia: Making the difference. OECD.
芝加哥风格引文Towards Efficient Public Procurement in Colombia: Making the Difference. Paris, [France]: OECD, 2016.
MLA引文Towards Efficient Public Procurement in Colombia: Making the Difference. OECD, 2016.
警告：这些引文格式不一定是100％准确.