Παραπομπή APA

World Tourism Organization., & International Olympic Committee. (2001). Sport & tourism: 1st World Conference, Barcelona, Spain, 22-23 February 2001. Madrid: World Tourism Organization.

Παραπομπή Chicago Style

World Tourism Organization., and International Olympic Committee. Sport & Tourism: 1st World Conference, Barcelona, Spain, 22-23 February 2001. Madrid: World Tourism Organization, 2001.

Παραπομπή MLA

World Tourism Organization., and International Olympic Committee. Sport & Tourism: 1st World Conference, Barcelona, Spain, 22-23 February 2001. Madrid: World Tourism Organization, 2001.

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