United Nations Conference on International Travel and Tourism, 1963. (1963). Resolution and recommendations. International Union of Official Travel Organizations.
Chicago-Zitierstil (17. Ausg.)United Nations Conference on International Travel and Tourism, 1963. Resolution and Recommendations. [Geneva]: International Union of Official Travel Organizations, 1963.
MLA-Zitierstil (9. Ausg.)United Nations Conference on International Travel and Tourism, 1963. Resolution and Recommendations. International Union of Official Travel Organizations, 1963.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.