Παραπομπή APA
World Tourism Organization. (2000). Sustainable development of tourism : a compilation of good practices =: Desarrolo sostenible del turismo : una complilacion de buenas practicas. Madrid, Spain: World Tourism Organization.
Παραπομπή Chicago StyleWorld Tourism Organization. Sustainable Development of Tourism : A Compilation of Good Practices =: Desarrolo Sostenible Del Turismo : Una Complilacion De Buenas Practicas. Madrid, Spain: World Tourism Organization, 2000.
Παραπομπή MLAWorld Tourism Organization. Sustainable Development of Tourism : A Compilation of Good Practices =: Desarrolo Sostenible Del Turismo : Una Complilacion De Buenas Practicas. Madrid, Spain: World Tourism Organization, 2000.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.