APA-referens (7:e uppl.)

Powers, T. F., & Barrows, C. W. (2001). Introduction to the hospitality industry (5th ed.). Wiley.

Chicago-referens (17:e uppl.)

Powers, Thomas F., och Clayton W. Barrows. Introduction to the Hospitality Industry. 5th ed. New York: Wiley, 2001.

MLA-referens (9:e uppl.)

Powers, Thomas F., och Clayton W. Barrows. Introduction to the Hospitality Industry. 5th ed. Wiley, 2001.