Ragatz Associates & Alliance for Timeshare Excellence. (1995). Timeshare purchasers: Who they are, why they buy : 1995 edition. American Resort Development Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ragatz Associates και Alliance for Timeshare Excellence. Timeshare Purchasers: Who They Are, Why They Buy : 1995 Edition. Washington: American Resort Development Association, 1995.
Παραπομπή σε μορφή MLA (9th εκδ.)Ragatz Associates και Alliance for Timeshare Excellence. Timeshare Purchasers: Who They Are, Why They Buy : 1995 Edition. American Resort Development Association, 1995.
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