Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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