Cita APA (7th ed.)

Powers, T. F., & Barrows, C. W. (2006). Introduction to the hospitality industry (6th ed.). Wiley.

Cita Chicago (17th ed.)

Powers, Thomas F., i Clayton W. Barrows. Introduction to the Hospitality Industry. 6th ed. New York: Wiley, 2006.

Cita MLA (9th ed.)

Powers, Thomas F., i Clayton W. Barrows. Introduction to the Hospitality Industry. 6th ed. Wiley, 2006.