Dittmer, Paul R. Principles of food, beverage, and labor cost controls / Paul R. Dittmer. - 9th - Hoboken, NJ : Wiley, 2009. - xiv, 633 p.: 24 cm. Includes index English ISBN: 978-0-471-78347-3 Subjects--Topical Terms: Food service--Cost control LC Class. No.: 647.95068 D63p