Vallen, Gary K. Check-in check-out / - 9th ed. - Boston : Pearson Education , Inc., c2013. - xv, 434 pages : Illustrations (some col. ) ; Includes index. ISBN: 9780132706711 0132706717 Subjects--Topical Terms: Hotel management.Motel management. LC Class. No.: TX 911.3 / VAL