Fyall, A. (2008). Managing visitor attractions: New directions (2nd ed.). Butterworth-Heinemann.
Lua i Stíl Chicago (17ú heag.)Fyall, Alan. Managing Visitor Attractions: New Directions. 2nd ed. Oxford: Butterworth-Heinemann, 2008.
Lua MLA (9ú heag.)Fyall, Alan. Managing Visitor Attractions: New Directions. 2nd ed. Butterworth-Heinemann, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.