Gaya APA

CHE, J, A, B, E, C. (2007). E-BOOK : HOTEL FRONT OFFICE MANAGEMENT, Fourth Edition . New Jersey: John Wiley & Sons, Incorporated.

Gaya MLA

CHE, James, A., Bardi,, Ed.D.,, CHA,. "E-BOOK : HOTEL FRONT OFFICE MANAGEMENT, Fourth Edition". New Jersey: John Wiley & Sons, Incorporated, 2007. Text.