United Nations Department of Economic and Social Affairs & Statistical Office. (1978). Provisional guidelines on statistics of international tourism. United Nations.
Chicago Style (17th ed.) CitationUnited Nations Department of Economic and Social Affairs and Statistical Office. Provisional Guidelines on Statistics of International Tourism. New York: United Nations, 1978.
MLA (9th ed.) CitationUnited Nations Department of Economic and Social Affairs and Statistical Office. Provisional Guidelines on Statistics of International Tourism. United Nations, 1978.
Warning: These citations may not always be 100% accurate.