Citazione APA

Powers, T., & Barriws , C. W. (2003). Introduction to the hospitality industry (5th ed.). John Wiley & Sons.

Stile di citazione Chicago

Powers, Tom, e Clayton W. Barriws. Introduction to the Hospitality Industry. 5th ed. New York: John Wiley & Sons, 2003.

Citazione MLA

Powers, Tom, e Clayton W. Barriws. Introduction to the Hospitality Industry. 5th ed. John Wiley & Sons, 2003.