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Παραπομπή σε μορφή Chicago (17η εκδ.)Organisation for Economic Co-operation and Development. OECD Tourism Statistics: Design and Application for Policy. Paris: Organization for Economic Co-operation and Development, 1996.
Παραπομπή σε μορφή MLA (9th εκδ.)Organisation for Economic Co-operation and Development. OECD Tourism Statistics: Design and Application for Policy. Organization for Economic Co-operation and Development, 1996.
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