Ninemeier, J. D., & Purdue, J. (2005). Hospitality operations: Careers in the world's greatest industry. Pearson Education.
Lua i Stíl Chicago (17ú heag.)Ninemeier, Jack D., agus Joe Purdue. Hospitality Operations: Careers in the World's Greatest Industry. Upper saddle River, N.J: Pearson Education, 2005.
Lua MLA (9ú heag.)Ninemeier, Jack D., agus Joe Purdue. Hospitality Operations: Careers in the World's Greatest Industry. Pearson Education, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.