(2001). Trade in services: Negotiating issues and approaches. OECD Publications Services.
芝加哥风格引文Trade in Services: Negotiating Issues and Approaches. Paris, France: OECD Publications Services, 2001.
MLA引文Trade in Services: Negotiating Issues and Approaches. OECD Publications Services, 2001.
警告：这些引文格式不一定是100％准确.