Cita APA

Vallen, D. K. V. (2009). Check - in check - out: Managing hotel operation (8 edition.).

Chicago Edition Citation

Vallen, Dary K; Vallen. Check - in Check - Out: Managing Hotel Operation. 8 edition. Pearson Education, 2009.

Cita MLA

Vallen, Dary K; Vallen. Check - in Check - Out: Managing Hotel Operation. 8 edition. 2009.