World Tourism Organization. (2006). Measuring the economic importance of the meetings industry: Developing a tourism satellite account extension. WTO.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Tourism Organization. Measuring the Economic Importance of the Meetings Industry: Developing a Tourism Satellite Account Extension. Madrid: WTO, 2006.
Παραπομπή σε μορφή MLA (8th εκδ.)World Tourism Organization. Measuring the Economic Importance of the Meetings Industry: Developing a Tourism Satellite Account Extension. WTO, 2006.
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