Morrison, Alastair M. Hospitality and Travel Marketing. Albany, NY: Delmar Publishing, Inc., 1989. Hardcover, $28.85. ISBN 0–8273–2938–5.
Ben‐Akiva, Moshe, and Steven R. Lerman. Discrete Choice Analysis; Theory and Ap‐pliction to Travel Demand. Cambridge, MA: MIT Press, 1985. Hardcover, $40.00. ISBN 0–262–02217–6