Hudson, L., & Hudson, S. (2013). Customer service for hospitality and tourism (2 nd.). Woodeaton, Oxford: Goodfellow.
Chicago Style aipamenaHudson, Louise, và Simon Hudson. Customer Service for Hospitality and Tourism. 2 nd. Woodeaton, Oxford: Goodfellow, 2013.
MLA aipamenaHudson, Louise, và Simon Hudson. Customer Service for Hospitality and Tourism. 2 nd. Woodeaton, Oxford: Goodfellow, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.