Swarbrooke, J. (1999). Development and management of visitor attractions. Oxford: Butterworth-Heinemann.
Chicago Style aipamenaSwarbrooke, John. Development and Management of Visitor Attractions. Oxford: Butterworth-Heinemann, 1999.
MLA aipamenaSwarbrooke, John. Development and Management of Visitor Attractions. Oxford: Butterworth-Heinemann, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.