Dittmer Paul R. Student Workbook : Principles of Food, Beverage & Labor Cost Controls for hotels and restaurants / Paul R. Dittmer. - New York: John Wiley & Sons, 1999. - 239 p. ; 28 cm. ISBN: 0471286257 26.64. Subjects--Topical Terms: Food service--Cost control. LC Class. No.: TX911.3 .C65 / D58 1994 Dewey Class. No.: 647.950681 / D617s5