APA引文

(2012). OECD economic surveys: Portugal 2012. OECD.

芝加哥风格引文

OECD Economic Surveys: Portugal 2012. [Place of publication not identified]: OECD, 2012.

MLA引文

OECD Economic Surveys: Portugal 2012. OECD, 2012.

警告：这些引文格式不一定是100％准确.