APA (7. basım) Alıntı

World Tourism Organization. (1983). Development of a system of statistical indicators for travel and tourism. The Organization.

Chicago Style (17. basım) Atıf

World Tourism Organization. Development of a System of Statistical Indicators for Travel and Tourism. Madrid: The Organization, 1983.

MLA (9th ed.) Atıf

World Tourism Organization. Development of a System of Statistical Indicators for Travel and Tourism. The Organization, 1983.