APA

Baker S., Bardley P. & Huyton J. (1997). Principle of hotel office operations. London: Cassell.

Chicago

Baker Sue, Bardley Pam and Huyton Jeremy. 1997. Principle of hotel office operations. London: Cassell.

Harvard

Baker S., Bardley P. and Huyton J. (1997). Principle of hotel office operations. London: Cassell.

MLA

Baker Sue, Bardley Pam and Huyton Jeremy. Principle of hotel office operations. London: Cassell. 1997.