DUYFF, R. L. (2006). American Dietetic association complete food and nutrition guide (3rd Edition.). John Wiley & Sons.
Chicago-referens (17:e uppl.)DUYFF, Roberta Larson. American Dietetic Association Complete Food and Nutrition Guide. 3rd Edition. New Jersey: John Wiley & Sons, 2006.
MLA-referens (9:e uppl.)DUYFF, Roberta Larson. American Dietetic Association Complete Food and Nutrition Guide. 3rd Edition. John Wiley & Sons, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.