Congress of the Association Internationale d' Experts Scientifiques du Tourisme Greece. (1976). Management problems in the sphere of tourism: Proceedings of the 26th Congress of the Association Internationale d' Experts Scientifiques du Tourisme , Greece, 5-12 September 1976. AIEST.
Chicago-Zitierstil (17. Ausg.)Congress of the Association Internationale d' Experts Scientifiques du Tourisme Greece. Management Problems in the Sphere of Tourism: Proceedings of the 26th Congress of the Association Internationale D' Experts Scientifiques Du Tourisme , Greece, 5-12 September 1976. Berne, Switzerland: AIEST, 1976.
MLA-Zitierstil (9. Ausg.)Congress of the Association Internationale d' Experts Scientifiques du Tourisme Greece. Management Problems in the Sphere of Tourism: Proceedings of the 26th Congress of the Association Internationale D' Experts Scientifiques Du Tourisme , Greece, 5-12 September 1976. AIEST, 1976.