Davidson, R. (1998). Travel and tourism in Europe (2nd edition.). Harlow: Longman.
Chicago Stili AlıntıDavidson, Rob. Travel and Tourism in Europe. 2nd edition. Harlow: Longman, 1998.
MLA AlıntıDavidson, Rob. Travel and Tourism in Europe. 2nd edition. Harlow: Longman, 1998.
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