APA引文

(2012). OECD statistics on international trade in services. OECD.

芝加哥风格引文

OECD Statistics on International Trade in Services. Paris, France: OECD, 2012.

MLA引文

OECD Statistics on International Trade in Services. OECD, 2012.

警告：这些引文格式不一定是100％准确.