(1977). Tourism in policy and international tourism in O.E.C.D. member countries: Evolution of tourism in O.E.C.D. member countries in 1976 and the early months of 1977. Paris: Organization for economic co-operation and development.
Παραπομπή Chicago StyleTourism in Policy and International Tourism in O.E.C.D. Member Countries: Evolution of Tourism in O.E.C.D. Member Countries in 1976 and the Early Months of 1977. Paris: Organization for economic co-operation and development, 1977.
Παραπομπή MLATourism in Policy and International Tourism in O.E.C.D. Member Countries: Evolution of Tourism in O.E.C.D. Member Countries in 1976 and the Early Months of 1977. Paris: Organization for economic co-operation and development, 1977.
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