Citazione Stile APA (7a Edizione)

DUYFF, R. L. (2006). American Dietetic association complete food and nutrition guide (3rd Edition.). John Wiley & Sons.

Citazione stile Chigago Style (17a edizione)

DUYFF, Roberta Larson. American Dietetic Association Complete Food and Nutrition Guide. 3rd Edition. New Jersey: John Wiley & Sons, 2006.

Citatione MLA (9a ed.)

DUYFF, Roberta Larson. American Dietetic Association Complete Food and Nutrition Guide. 3rd Edition. John Wiley & Sons, 2006.