Educational Foundation (National Restaurant Association). (2007). Nutrition: Competency guide. Pearson/Prentice Hall.
Cita Chicago (17th ed.)Educational Foundation (National Restaurant Association). Nutrition: Competency Guide. Upper Saddle River, N.J: Pearson/Prentice Hall, 2007.
Cita MLA (9th ed.)Educational Foundation (National Restaurant Association). Nutrition: Competency Guide. Pearson/Prentice Hall, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.