Council on Hotel, Restaurant, and Institutional Education (U.S.). (1993). A Guide to college programs in hospitality and tourism: A directory of CHRIE member colleges and universities (3rd ed.). Wiley.
Lua i Stíl Chicago (17ú heag.)Council on Hotel, Restaurant, and Institutional Education (U.S.). A Guide to College Programs in Hospitality and Tourism: A Directory of CHRIE Member Colleges and Universities. 3rd ed. New York, N.Y: Wiley, 1993.
Lua MLA (9ú heag.)Council on Hotel, Restaurant, and Institutional Education (U.S.). A Guide to College Programs in Hospitality and Tourism: A Directory of CHRIE Member Colleges and Universities. 3rd ed. Wiley, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.