Dittmer, Paul R. Study Guide to Accompany : Principles of Food, Beverage, and labor cost Controls / Paul R. Dittmer, J. Desmond Keefe - 9th ed. - New York : Wiley, 2009 - 167 p. : ill. ISBN: 9780470140567 / 2100.00 Subjects--Topical Terms: Food service--Cost control. LC Class. No.: TX911.3.C65 / D617 S7 2009