Παραπομπή APA

World Tourism Organization. (2001). Outbound tourism of Belgium market profile. Madrid, Spain: World Tourism Organization.

Παραπομπή Chicago Style

World Tourism Organization. Outbound Tourism of Belgium Market Profile. Madrid, Spain: World Tourism Organization, 2001.

Παραπομπή MLA

World Tourism Organization. Outbound Tourism of Belgium Market Profile. Madrid, Spain: World Tourism Organization, 2001.

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