| 其他書名 | Development of Holiday Travel Demand in the German Source Market ; the RA Trend Analysis ; [RA ReiseAnalyse Trend Analysis] |
| 出版 | Forschungsgemeinschaft Urlaub und Reisen, 2014 |
| ISBN | 39816839199783981683912 |
| URL | http://books.google.com.hk/books?id=eoe-oQEACAAJ&hl=&source=gbs_api |