(2000). OECD statistics on international trade in services: 1989-1998. OECD.
芝加哥风格引文OECD Statistics on International Trade in Services: 1989-1998. Paris, France: OECD, 2000.
MLA引文OECD Statistics on International Trade in Services: 1989-1998. OECD, 2000.
警告：这些引文格式不一定是100％准确.