| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| World Travel and Tourism Review: Indicators, Trends and Forecasts | 978-0-85198-711-8 (0-85198-711-7) | 1991 | Frank M. Go · J. Ritchie · Donald Hawkins |
| World Travel and Tourism Review: Indicators, Trends and Issues | 978-0-85198-853-5 (0-85198-853-9) | 1993 | Donald Hawkins · F. Go · B. Ritchie · Michael Conlin |
| World Travel and Tourism Review: Indicators, Trends and Issues | 978-0-85198-771-2 (0-85198-771-0) | 1992 | F. Go · J. Ritchie · Donald Hawkins |