| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Tourism Policy and Planning: Yesterday, Today, and Tomorrow | 978-O-75O6-8557-3 (O-75O6-8557-3) | 2007 | David L. Edgell Sr. · Maria DelMastro Allen · Ginger Smith |
J. S. · Jochen Schwanekamp · Jochen Sunken