Παραπομπή APA

World Tourism Organization. (1999). Tourism generating markets overview and country profiles. Madrid, Spain: World Tourism Organization.

Παραπομπή Chicago Style

World Tourism Organization. Tourism Generating Markets Overview and Country Profiles. Madrid, Spain: World Tourism Organization, 1999.

Παραπομπή MLA

World Tourism Organization. Tourism Generating Markets Overview and Country Profiles. Madrid, Spain: World Tourism Organization, 1999.

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