Educational Foundation (National Restaurant Association). (2007). Inventory and purchasing: Competency guide. Pearson Prentice Hall.
Chicago-referens (17:e uppl.)Educational Foundation (National Restaurant Association). Inventory and Purchasing: Competency Guide. Upper Saddle River, N.J: Pearson Prentice Hall, 2007.
MLA-referens (9:e uppl.)Educational Foundation (National Restaurant Association). Inventory and Purchasing: Competency Guide. Pearson Prentice Hall, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.