Παραπομπή σε μορφή APA (7η εκδ.)

World Tourism Organization & International Olympic Committee. (2001). Sport activities during the outbound holidays of the Germans, the Dutch & the French. World Tourism Organization, International Olympic Committee.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Tourism Organization και International Olympic Committee. Sport Activities During the Outbound Holidays of the Germans, the Dutch & the French. Madrid, Spain: World Tourism Organization, International Olympic Committee, 2001.

Παραπομπή σε μορφή MLA (9th εκδ.)

World Tourism Organization και International Olympic Committee. Sport Activities During the Outbound Holidays of the Germans, the Dutch & the French. World Tourism Organization, International Olympic Committee, 2001.