British Travel Educational Trust. (1978). A comparative study of the provision of tourist information services in Western Europe annd North America. British Travel Educational Trust.
Цитирование в стиле Чикаго (17-е изд.)British Travel Educational Trust. A Comparative Study of the Provision of Tourist Information Services in Western Europe Annd North America. London: British Travel Educational Trust, 1978.
Цитирование MLA (9-е изд.)British Travel Educational Trust. A Comparative Study of the Provision of Tourist Information Services in Western Europe Annd North America. British Travel Educational Trust, 1978.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.