Dittmer, Paul. Principles of food, beverage, and labor cost controls for hotels and restaurants / Paul R. Dittmer, Gerald G. Griffin. - 6th ed. - New York : John Wiley, c1999. - xi, 577 p. : ill. ; 25 cm. Includes index. ISBN: 0471293253 (alk. paper) Subjects--Topical Terms: Food service--Cost control. LC Class. No.: TX911.3.C65 / D58 1999