Whitney, Ellie. Understanding nutrition / Ellie Whitney, Sharon Rady Rolfes. - 12thed. - Australia : Wadsworth/Cengage Learning, 2011. - xix, 704 p. : ill. (col.) ; 28 cm. ISBN: 0538734760 (international ed.) 9780538734769 RM494.54 Subjects--Topical Terms: Nutrition.