Gaya APA

CHA, J, A, B, E. (2003). E-BOOK : HOTEL FRONT OFFICE MANAGEMENT, THIRD EDITION . New Jersey: JOHN WILEY & SONS, INC..

Gaya MLA

CHA, James, A., Bardi,, Ed.D.,. "E-BOOK : HOTEL FRONT OFFICE MANAGEMENT, THIRD EDITION". New Jersey: JOHN WILEY & SONS, INC., 2003. Text.