(1990). OECD economic surveys: Belgium-Luxembourg. Organisation for Economic Co-Operation and Development.
芝加哥风格引文OECD Economic Surveys: Belgium-Luxembourg. Paris, France: Organisation for Economic Co-Operation and Development, 1990.
MLA引文OECD Economic Surveys: Belgium-Luxembourg. Organisation for Economic Co-Operation and Development, 1990.
警告：这些引文格式不一定是100％准确.