Pacific Asia Travel Association & Travel Impact (Firm). (1999). PATA Arab Gulf countries outbound market report. Pacific Asia Tarvel Association.
芝加哥风格引文Pacific Asia Travel Association 与 Travel Impact (Firm). PATA Arab Gulf Countries Outbound Market Report. San Francisco, Calif.: Pacific Asia Tarvel Association, 1999.
MLA引文Pacific Asia Travel Association 与 Travel Impact (Firm). PATA Arab Gulf Countries Outbound Market Report. Pacific Asia Tarvel Association, 1999.
警告：这些引文格式不一定是100％准确.