American Resort Development Association & Alliance for Timeshare Excellence. (1997). The United States timeshare industry: Overview and economic impact analysis. American Resort Development Association, Alliance for Timeshare Excellence.
Παραπομπή σε μορφή Chicago (17η εκδ.)American Resort Development Association και Alliance for Timeshare Excellence. The United States Timeshare Industry: Overview and Economic Impact Analysis. Washington, D.C.: American Resort Development Association, Alliance for Timeshare Excellence, 1997.
Παραπομπή σε μορφή MLA (9th εκδ.)American Resort Development Association και Alliance for Timeshare Excellence. The United States Timeshare Industry: Overview and Economic Impact Analysis. American Resort Development Association, Alliance for Timeshare Excellence, 1997.