APA引文

Organisation for Economic Co-operation and Development & ProQuest (Firm). (2009). Poland. Organisation for Economic Co-operation and Development.

芝加哥风格引文

Organisation for Economic Co-operation and Development 与 ProQuest (Firm). Poland. Paris: Organisation for Economic Co-operation and Development, 2009.

MLA引文

Organisation for Economic Co-operation and Development 与 ProQuest (Firm). Poland. Organisation for Economic Co-operation and Development, 2009.

警告：这些引文格式不一定是100％准确.