Fyall, A. (2008). Managing visitor attractions: New directions (2nd ed.). Butterworth-Heinemann.
Cita Chicago (17th ed.)Fyall, Alan. Managing Visitor Attractions: New Directions. 2nd ed. Oxford: Butterworth-Heinemann, 2008.
Cita MLA (9th ed.)Fyall, Alan. Managing Visitor Attractions: New Directions. 2nd ed. Butterworth-Heinemann, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.