Mille, J. E., & Poter, M. (1985). Supervision in the hospitality industry. Paris: Hermes*.
Chicago Style aipamenaMille, Jack E., và Mary Poter. Supervision in the Hospitality Industry. Paris: Hermes*, 1985.
MLA aipamenaMille, Jack E., và Mary Poter. Supervision in the Hospitality Industry. Paris: Hermes*, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.