Organisation for Economic Co-operation and Development. (2019). Public procurement in Germany: Strategic dimensions for well-being and growth. OECD.
芝加哥风格引文Organisation for Economic Co-operation and Development. Public Procurement in Germany: Strategic Dimensions for Well-being and Growth. Paris: OECD, 2019.
MLA引文Organisation for Economic Co-operation and Development. Public Procurement in Germany: Strategic Dimensions for Well-being and Growth. OECD, 2019.
警告：这些引文格式不一定是100％准确.