ProQuest (Firm). (2010). The economic impact of export restrictions on raw materials. OECD.
芝加哥风格引文ProQuest (Firm). The Economic Impact of Export Restrictions on Raw Materials. Paris: OECD, 2010.
MLA引文ProQuest (Firm). The Economic Impact of Export Restrictions on Raw Materials. OECD, 2010.
警告:这些引文格式不一定是100%准确.