TY - BOOK AU - Dittmer, Paul. TI - Principles of food, beverage & labour cost controls for hotels and restaurants / Paul R Dittmer , Gerald G. Griffin .- 4th ed SN - 0442234325 U1 - 647.950681 DIT CY - New York : Van Nostrand Reinhold, c1989. KW - Restaurants, lunch rooms, etc -- Finance ER -