MILLER, J. E. (1992). Supervision in the hospitality industry. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)MILLER, Jack E. Supervision in the Hospitality Industry. John Wiley & Sons, 1992.
Lua MLA (9ú heag.)MILLER, Jack E. Supervision in the Hospitality Industry. John Wiley & Sons, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.