American Resort Development Association & Alliance for Timeshare Excellence. (1997). Financial performance digest 1997: A survey of timeshare and vacation ownership resort developers. American Resort Development Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)American Resort Development Association και Alliance for Timeshare Excellence. Financial Performance Digest 1997: A Survey of Timeshare and Vacation Ownership Resort Developers. Washington: American Resort Development Association, 1997.
Παραπομπή σε μορφή MLA (9th εκδ.)American Resort Development Association και Alliance for Timeshare Excellence. Financial Performance Digest 1997: A Survey of Timeshare and Vacation Ownership Resort Developers. American Resort Development Association, 1997.
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