Home › Authors › P.R. Dittmer 👤 P.R. Dittmer 2 books Books by P.R. Dittmer Principles of Food Beverage 6e Principles of Food Beverage 6e, Foodservice Excel, Principles of Food Beverage 6e Nraef Workbook and Principles of Food Beverage 6e Study Guide Set 2001 Dimensions of the Hospitality Industry 1993