1. | | Autor: Twining-Ward, Louise Coautor: ; Butler, Richard | |
2. | | Autor: Butler, Richard | |
3. | | Autor: Poria, Yaniv Coautor: ; Butler, Richard Airey, David | |
4. | | Autor: Butler, Richard | |
5. | | Autor: Poria, Yaniv Coautor: Butler, Richard Airey, David | |
6. | | Autor: Bastakis, Constantinos Coautor: Buhalis, Dimitrios Butler, Richard | |
7. | | Autor: Butler, Richard Coautor: Hall, Michael C. | |
8. | | Autor: Poria, Yaniv Coautor: Butler, Richard Airey, David | |
9. | | Autor: Poria, Yaniv Coautor: ; Airey, David, co-autor Butler, Richard, co-autor | |
10. | | Autor: Butler, Richard | |