Barrows, C. W., Powers, T. F., & Reynolds, D. E. (2015). Introduction to the Hospitality Industry. Wiley.
Chicago Style aipamenaBarrows, Clayton W., Thomas F. Powers, và Dennis E. Reynolds. Introduction to the Hospitality Industry. Wiley, 2015.
MLA aipamenaBarrows, Clayton W., Thomas F. Powers, và Dennis E. Reynolds. Introduction to the Hospitality Industry. Wiley, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.