Ashworth, G. J., & Tunbridge, J. E. (2000). The tourist-historic city: Retrospect and prospect of managing the heritage city. Pergamon.
Chicago Style aipamenaAshworth, Gregory John, and J. E. Tunbridge. The Tourist-historic City: Retrospect and Prospect of Managing the Heritage City. Amsterdam: Pergamon, 2000.
MLA aipamenaAshworth, Gregory John, and J. E. Tunbridge. The Tourist-historic City: Retrospect and Prospect of Managing the Heritage City. Pergamon, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.