APA (7e ed.) Bronvermelding

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.

Chicago (17e ed.) Bronvermelding

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.

MLA (9e ed.) Bronvermelding

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.