Παραπομπή APA
World Tourism Organization. (1997). World Tourism Leaders' Meeting on the Social Impacts of Tourism, Manila, Philippines, 22 May 1997: Final report. [Madrid, Spain]: World Tourism Organization.
Παραπομπή Chicago StyleWorld Tourism Organization. World Tourism Leaders' Meeting On the Social Impacts of Tourism, Manila, Philippines, 22 May 1997: Final Report. [Madrid, Spain]: World Tourism Organization, 1997.
Παραπομπή MLAWorld Tourism Organization. World Tourism Leaders' Meeting On the Social Impacts of Tourism, Manila, Philippines, 22 May 1997: Final Report. [Madrid, Spain]: World Tourism Organization, 1997.
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