Παραπομπή APA

World Tourism Organization. (2003). Tourism market trends: Middle East (2003 edition.). Madrid, Spain: World Tourism Organization.

Παραπομπή Chicago Style

World Tourism Organization. Tourism Market Trends: Middle East. 2003 edition. Madrid, Spain: World Tourism Organization, 2003.

Παραπομπή MLA

World Tourism Organization. Tourism Market Trends: Middle East. 2003 edition. Madrid, Spain: World Tourism Organization, 2003.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.