Gray, William S., 1936 - Hotel and motel management and operations / William S. Gray, Salvatore C. Liguori - 4th ed. - Upper Saddle River, NJ : Prentice Hall, 2003. - xiv, 412 p. ; 24 cm. ISBN: 0130990892 Subjects--Topical Terms: Hotel housekeeping--Management. Dewey Class. No.: 647.94068 / GRA