APA-viite (7. p.)
International Labour Organization & ebrary, Inc. (2008). Sources and methods: Labour statistics : employment in the tourism industries, special edition. International Labour Office : World Tourism Organization.
Chicago-viite (17. p.)
International Labour Organization ja Inc ebrary. Sources and Methods: Labour Statistics : Employment in the Tourism Industries, Special Edition. Madrid: International Labour Office : World Tourism Organization, 2008.
MLA-viite (9. p.)
International Labour Organization ja Inc ebrary. Sources and Methods: Labour Statistics : Employment in the Tourism Industries, Special Edition. International Labour Office : World Tourism Organization, 2008.
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