TY  - BOOK
TI  - Principles of food, beverage, and labor cost controls : students workbook / Paul R. Dittmer, J. Desmond Keefe III.- 8th ed
SN  - 0471706426
U1  - 647.950681 DIT 
CY  - Hoboken, N.J. : Wiley, c2006.
KW  - Food service--Cost control--- Problems, exercises, etc
ER  -