Lua APA (7ú heag.)

Powers, T. (1999). Introduction to the hospitality industry (4th ed.). John Wiley & Sons, Inc.

Lua i Stíl Chicago (17ú heag.)

Powers, Tom. Introduction to the Hospitality Industry. 4th ed. New York: John Wiley & Sons, Inc, 1999.

Lua MLA (9ú heag.)

Powers, Tom. Introduction to the Hospitality Industry. 4th ed. John Wiley & Sons, Inc, 1999.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.