Gaya APA

Ph.D., D, G, R., Ph.D, M, J, O. (2007). E-BOOK : HOTEL MANAGEMENT AND OPERATIONS, fourth edition . New Jersey: JOHN WILEY & SONS, INC..

Gaya MLA

Ph.D., Denney, G., Rutherford,., Ph.D, Michael, J., O’Fallon,. "E-BOOK : HOTEL MANAGEMENT AND OPERATIONS, fourth edition". New Jersey: JOHN WILEY & SONS, INC., 2007. Text.