Dittmer, Paul R. Principles of food, beverage, and labor cost controls/ Paul Dittmer ; Paul R. Dittmer, J. Desmond Keefe III. - Hoboken, New Jersey : John Wiley & Sons, 2009. - 633 p: 23 cm, ISBN: 9780471783473 Subjects--Topical Terms: Food service--Cost control LC Class. No.: TX911.3