Williams, A. (2003). Understanding the hospitality consumer. Butterworth-Heinemann.
Chicago Style aipamenaWilliams, Alistair. Understanding the Hospitality Consumer. Oxford: Butterworth-Heinemann, 2003.
MLA aipamenaWilliams, Alistair. Understanding the Hospitality Consumer. Butterworth-Heinemann, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.