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Tietueen sitaatit

APA-viite

International Union of Official Travel Organisations. & Wheatcroft, S. (1972). European travel market study: European statistics - today's data and tomorrow's needs. European Travel Commission.

Chicago-tyylinen lähdeviittaus

International Union of Official Travel Organisations. ja Stephen Wheatcroft. European Travel Market Study: European Statistics - Today's Data and Tomorrow's Needs. London: European Travel Commission, 1972.

MLA-viite

International Union of Official Travel Organisations. ja Stephen Wheatcroft. European Travel Market Study: European Statistics - Today's Data and Tomorrow's Needs. European Travel Commission, 1972.

Harvard-tyylinen lähdeviittaus

International Union of Official Travel Organisations. & Wheatcroft, S. 1972. European travel market study: European statistics - today's data and tomorrow's needs. London: European Travel Commission.

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