Principles of food, beverage, and labor cost controls : students workbook / Paul R. Dittmer, J. Desmond Keefe III.- 8th ed. - 8e - Hoboken, N.J. : Wiley, c2006. ISBN: 0471706426 Subjects--Topical Terms: Food service--Cost control--- Problems, exercises, etc Dewey Class. No.: 647.950681 DIT