APA (7th ed.) Citation

Vallen, G. K., & Vallen, J. J. (2009). Check-in check-out: Managing hotel operations (8th edition.). Pearson/ Prentice Hall.

Chicago Style (17th ed.) Citation

Vallen, Gary K., and Jerome J. Vallen. Check-in Check-out: Managing Hotel Operations. 8th edition. Upper Saddle River, N.J: Pearson/ Prentice Hall, 2009.

MLA (9th ed.) Citation

Vallen, Gary K., and Jerome J. Vallen. Check-in Check-out: Managing Hotel Operations. 8th edition. Pearson/ Prentice Hall, 2009.