Evans, P. (1999). Recent developments in trade and competition issues in the services sector: A review of practices in travel and tourism. United Nations.
Chicago-Zitierstil (17. Ausg.)Evans, Phillip. Recent Developments in Trade and Competition Issues in the Services Sector: A Review of Practices in Travel and Tourism. New York: United Nations, 1999.
MLA-Zitierstil (8. Ausg.)Evans, Phillip. Recent Developments in Trade and Competition Issues in the Services Sector: A Review of Practices in Travel and Tourism. United Nations, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.