Lua APA (7ú heag.)
Barrows W. Clayton & Tom, P. (2009). Introduction to the hospitality industry. (7th ed.). John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)
Barrows W. Clayton agus Powers Tom. Introduction to the Hospitality Industry. 7th ed. Haboken: John Wiley & Sons, 2009.
Lua MLA (9ú heag.)
Barrows W. Clayton agus Powers Tom. Introduction to the Hospitality Industry. 7th ed. John Wiley & Sons, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.