united nations economic and social commission for western asia. (2002). Economic Diversification in the arab world: Proceedings of the expert group meeting Beirut, 25-27 September 2001.
芝加哥风格引文united nations economic and social commission for western asia. Economic Diversification in the Arab World: Proceedings of the Expert Group Meeting Beirut, 25-27 September 2001. New york, 2002.
MLA引文united nations economic and social commission for western asia. Economic Diversification in the Arab World: Proceedings of the Expert Group Meeting Beirut, 25-27 September 2001. 2002.
警告：这些引文格式不一定是100％准确.