Organisation for Economic Co-operation and Development. Committee on Tourism. (1971). International tourism and tourist policy in OECD member countries: Evolution of tourism in OECD member countries in 1970 and the early months of 1971. O.E.C.D..
Цитирование в стиле Чикаго (17-е изд.)Organisation for Economic Co-operation and Development. Committee on Tourism. International Tourism and Tourist Policy in OECD Member Countries: Evolution of Tourism in OECD Member Countries in 1970 and the Early Months of 1971. Paris: O.E.C.D., 1971.
Цитирование MLA (8-е изд.)Organisation for Economic Co-operation and Development. Committee on Tourism. International Tourism and Tourist Policy in OECD Member Countries: Evolution of Tourism in OECD Member Countries in 1970 and the Early Months of 1971. O.E.C.D., 1971.